Again, the Bohr model silent about these splitting into multiple levels.

对谱线分裂成多条这一现象,波尔又一次沉默了。

麻省理工公开课 - 固态化学导论课程节选

Twenty-thousand lives are annually sacrificed on the plantations of the South.

每年有二万多条生命,成了南方种植园的牺牲品

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