He’s spent years studying Roman archaeology, so he really knows his onions.
他研究罗马考古学多年,

面知识很渊博。


况;
调查,
场工作;He’s spent years studying Roman archaeology, so he really knows his onions.
他研究罗马考古学多年,

面知识很渊博。
She teaches archaeology at the university.
她
大学里教考古学。
Research on the origin and occurrence of gems and jades is one of the hottest topic in geology, gemmology and archaeology.
摘要宝玉石产
来源的研究是近几年
学、宝石学和考古学界的热门话题之一。
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