And, if you look carefully, it tries to give the sense of a one electron system.
如果你仔细的观察的话,它试图给人一种单电子系统的感觉。
麻省理工公开课 - 固态化学导论课程节选
I think that there's definitely a class system, but I also feel like everyone is very accessible,
我觉得,毫无疑问,这是种阶层系统,但我也感觉何种人都很容易接触到。
美国贫富差距? - SpeakingMax英语口语达人
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