| 单词 | sweep-second hand |
| 释义 | sweep-second hand sweep-sec.ond hand AHD: [sw¶p“sµk”…nd] D.J. [6swi8p7sek*nd]K.K. [6swip7sWk*nd]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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