Rainfall that washes pollutants out of the air during the monsoon ceases.

季风冲刷空气中污染物的降雨停止了。

In the six years that intervened, I saw them once.

【intervene】的六年中我见过他们一次。

During REM sleep, those same parts of the brain are active.

在快速眼动睡眠，大脑中同样的部分是活跃的。

The company produced the candy through air attacks during World War II.

该公司在第二次世界大战在空袭中生产这种糖果。

This was a very, many, many years-long process and by the time the pandemic hit.

疫情，这过程中我们经历了很多。

But during snowball earth, there was very little oxygen in the oceans.

但是在地，海洋中的氧气非常少。

It manipulates food in the mouth during mastication and deglutition.

它在咀嚼和吞咽物处理口腔中的物 。

For countries in the northern half of the world, the longest day of the year falls during Ramadan.

位于北半的国家在斋将迎来一年中最长的一天。

During pregnancy, a group of cells in the pituitary gland called lactotrophs start to increase in size and number.

怀孕，垂体中的一组细胞“泌乳细胞”的体积和数量都会相应增加。

The astronauts floated in space during their mission.

太空：宇航员在执行任务漂浮在太空中。

While in Guangzhou, Hong overheard evangelical missionaries preaching the " good word" .

在广州，洪无意中听到福音派传教士宣讲“好话”。

Governments are also learning from mistakes made during the coronavirus pandemic to improve treatment for illnesses that went neglected.

政府也在从新冠肺炎疫情所犯的错误中学习，以改善被忽视的疾病的治疗。

The more dust or clouds in Earth's atmosphere during the eclipse, the redder the Moon will appear.

日地大气中的尘埃或云层越多， 就会显得越红。

There are just some of the kinds of inconsistencies that became ingrained in the English language during this period.

在此，英语中根深蒂固的一些不一致之处。

The photograph shows six men and an American flag during a battle in World War II.

这张照片展示了第二次世界大战的一场战斗中的六个人和一面美国国旗。

That is because many of them borrowed plentifully at low, fixed interest rates during the covid-19 pandemic.

这是因为在 covid-19 大流行，他们中的许多人以低固定利率大量借贷。

During the open discussion period, a gentleman in the audience addressed a question to my two colleagues.

在公开讨论，听众中的一位先生向我的两位同事提出了一个问题。

While I was waiting, I overheard a tourist complaining about the long lines and the slow service.

在等待，我无意中听到一位游客抱怨排长队和缓慢的服务。

The percentage is even higher among people who work in management positions as well as students around exam time.

在管理职位的人员以及考试的学生中，这一比例甚至更高。

But, during the Late Ordovician, a second suborder of sea scorpion emerges in the fossil record — the Eurytperina.

但是，在晚奥陶世，化石记录中出现了海蝎的第二个亚目——Eurytperina。