上下: and -- one of the six catego ...两: two件: piece; article; item上下两件的: two-piece两件构成一套的, 上下两件的: two-piece上下两层的: bilevel基板上下两面对准曝光器: double sided aligner女用上下两截游泳衣: bikini这部影片分上下两集this: film is in two parts上下两部分可各自分别开关的门: dutch door丝网模版载体上下两面之间的距离: thickness of mesh两件事: coincide两件套: two-piece dress盅两件: dim sum depot上下: 1.(职务、辈分上的高低) high and low; old and young 举国上下 the whole nation; 全家上上下下都很高兴。 all members of the family, old and young, are very pleased.2.(从上到下) from top to bottom; up and down 这个水塔上下有五十米。 the water tower is fifty metres high.3.(从高到低或从低到高) go up and down 摩天楼里有电梯, 上下很方便。 with an elevator in the skyscraper, we can easily go up and down.4.(程度高低) relative superiority or inferiority 不相上下 equally matched; about the same; 难分上下 hard to tell which is better5.(用在数量词后面) about; or so; or thereabouts 三十岁上下 about thirty years old; thirty or so剩下两个: down and to go两件家具: two pieces of furniture两件套轮毂: zweiteilige nabe two-part hub/staked hub design两件套女服: two piece dress两件套头: two-piece dress两件套浴室: two-fixture bathroom两件套装: two-piece suit两件行李: two pieces of baggage区分两件事: discriminate between two cases/one case from another三盅两件: soup restaurant