| 词汇 | up and down |
| 释义 | up and down 1 : forward and backward several or many times : repeatedly in one direction and then the opposite direction来回往返；反复往返 He paced up and down in the waiting room.他在等候室里来回走动。 2 : from a lower position to a higher position several times上下反复 The children were jumping up and down.孩子们蹦来蹦去地跳个不停。 Her father looked me up and down [=looked at me carefully to decide what he thought of me] before inviting me in.她父亲上下打量了我一番，才请我进去。 up |
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