原子钟 yuánzǐzhōng atomic clock Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 原子钟利用原子的振动来测量时间。 yuánzǐzhōng lìyòng yuánzǐ de zhèndòng lái cèliáng shíjiān. Atomic clocks use vibrations of atoms to measure time. Source: CCMatrix