| 释义 |
sweep-sec·ond hand AHD[swēpʹsĕk'ənd] D.J.[ˈswiːpˌsekənd]K.K.[ˈswipˌsɛkənd]n.（名词）- A long hand on a clock or watch that measures seconds by moving the space of a minute for each second. Also called sweep hand 指秒针：钟或表上测量秒的指秒针，移动一分钟的间隔为一秒钟 也作 sweep hand
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