n. seesaw
vi. teetertotter
让你的眉毛上下动。
看见他的衬衫随着他的心脏的猛烈的跳动上下扯动着,这使她悦目。
She could see his shirt jerking with the hard beat of his heart, and it thrilled her.
安全设计周全,双手操作,设有紧急停止按钮及上下点动功能。
Safety designed, using both hands to operate, with emergency stop button and jog up and down function.
He was motionless, all but for one finger that moved up and down in front of his face as if he were marking time with it.
他一动也不动,除了一根手指在他的面前上下摆动,好像在用它标记时间。
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