We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达美丽的洞穴,洞的进口几乎被藤蔓遮掩著。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细子中有较多的酸性污染物并比粗子酸性,细子对石窟有侵蚀作用。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测定方法的进步和完善，是解决石窟分期问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞的杂技演员……）和穿丝绸独舞的女性舞蹈演员展示墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了一个美丽的洞穴,洞的进口几乎被藤蔓遮掩著。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细子中有较多的酸性污染物并比粗子酸性强,这些细子对石窟有侵。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测定方法的进步和完善，是解决石窟分期问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞的杂技演员……）和一个穿丝绸独舞的女性舞蹈演员展示了墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达一个美丽的洞穴,洞的进口几乎被藤蔓遮掩著。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细子中有较多的酸性污染物并比粗子酸性强,这些细子对石窟有侵蚀作用。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发、科学测定方法的进步和完善，是解决石窟分期问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞的杂技演员……）和一个穿丝绸独舞的女性舞蹈演员墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了一个美丽的穴,的进口几乎被藤蔓遮掩著。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细子中有较多的酸污染物并比粗子酸强,这些细子对石窟有侵蚀作用。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测定方法的进步和完善，是解决石窟分期问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞的杂技演员……）和一个穿丝绸独的蹈演员展示了墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了一个美丽的洞穴,洞的进口几乎被藤蔓遮掩著。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细子中有较多的酸性污染物并比粗子酸性强,这些细子对石有侵蚀作用。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测定方法的进步和完善，是解决石问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞的杂技演员……）和一个穿丝绸独舞的女性舞蹈演员展示了墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了一个美丽的洞穴,洞的进口几乎被藤蔓遮掩著。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细子中有较多的酸性污染物并比粗子酸性强,这些细子对有侵蚀作用。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测定方法的进步和完善，是解分期问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞的杂技演员……）和一个穿丝绸独舞的女性舞蹈演员展示了墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了一个美丽的洞穴,洞的乎被藤蔓遮掩著。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细子中有较多的酸性并比粗子酸性强,这些细子对石窟有侵蚀作用。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测定方法的步和完善，是解决石窟分期问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞的杂技演员……）和一个穿丝绸独舞的女性舞蹈演员展示了墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货通过丝绸之路。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了个美丽的洞穴,洞的进口几乎被藤蔓遮掩著。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细子中有较多的酸性污染物并比粗子酸性强,这些细子对石窟有侵蚀作用。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术的发展、科学测定方法的进步完善，是解决石窟分期问题的希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞的杂技演……）个穿丝绸独舞的女性舞蹈演展示了墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。

We reached a beautiful grotto, whose entrance was almost hiden by the vine.

我们到达了一个美穴,进口几乎被藤蔓遮掩著。

The particulates have more acidic pollutants with strong acidity and have the corrodibility to grottoes.

细中有较多性污染物并比粗性强,这些细对石窟有侵蚀作用。

The development of technology and improvement of test methods are the hopes for solving the periodization of grottoes.

科学技术发展、科学测定方法进步和完善，是解决石窟分期问题希望所在。

Flying acrobats and a lone beribboned female dancer recalled the grottos of Dunhuang, painted in the Wei and Tang dynasties when camel caravans plied the Silk Road.

飞天（他们叫做会飞杂技演员……）和一个穿丝绸独舞女性舞蹈演员展示了墩煌壁画，它绘画于魏唐朝代，当骆驼运载着货物通过丝绸之路。