So, even though we don't have the lithium anymore, we still keep that atomic number 7 around.

尽管现在它不含锂了，但是作为原子量的七，还是在一定程度上保留了下来。

麻省理工公开课 - 化学原理课程节选

Like, my Russian Culture class only has seven people, so it's very specialized

例如，俄罗斯文化课只有七个人，所以这堂课还是很专业的。

选择国际学的理由 - SpeakingMax英语口语达人

Hesiod, whom I have not mentioned to you before, a poet who we think to have lived around 700 B.C., very early in the history of the polis, wrote one of his poems called, Works and Days.

赫西奥德,我之前跟你们提到过的,是一个生活在公元七百年左右的诗人,那还是在城邦历史的初期,创作了一首名为《工作与时日》的诗歌

耶鲁公开课 - 古希腊历史简介课程节选