查询词典 cover up

Who knows the answer? Put up your hand：谁知道答案?举起手来

(5)put up "悬挂,举起", 例如: | Mike is putting up a map on the wall. 迈克正把一张地图挂到墙上. | Who knows the answer? Put up your hand. 谁知道答案?举起手来.

arrive, appear on the scene ;come up in large numbers ;arrive in a vehicle：到场;出现;涌来;乘车到达

*His debts rolled up as he couldn 't pay... | 3.arrive, appear on the scene ;come up in large numbers ;arrive in a vehicle 到場;出現;湧來;乘車到達 | *The whole family rolled up to their daughter 's fir...

We can put up ten people for the night at a pinch：必要时我们可以留宿十个人

10. put up 举起;张开(伞);张贴;为......提供食宿 | We can put up ten people for the night at a pinch.必要时我们可以留宿十个人. | 11. put up with 忍受;忍耐;受苦

Back-up protection：后备保护

61 Back-up over-speed governor 附加超速保护装置 | 62 Back-up protection 后备保护 | 63 Back-up ssystem 后备继电保护

Back-up protection：备用保护装置

back up plate 推靠板 | back up protection 备用保护装置 | back up store 后备存储器

back-up area：备用堆置场

back up 垫板,背撑,(铸造用语)填背砂 | back up area 备用堆置场 | back up battery 后备电池

pick-up baler：捡拾压捆机,干草拣拾压捆机

pick-up arm 拾声器臂,拾音器臂 | pick-up baler 捡拾压捆机,干草拣拾压捆机 | pick-up belt 拔取皮带

pick-up baler：捡拾压捆机

pick-up arm 拾音器臂,拾取臂 | pick-up baler 捡拾压捆机 | pick-up baler with in-line reciprocating ram 带纵向往复柱塞的捡拾压捆机

be bound up with: connected with：与......有联系

cf. be bound up in : be busy with忙于...... | e.g. He is bound up in his work他忙于他的工作. | be bound up with: connected with与......有联系

be brought up for discussion;be mentioned：被提出讨论;提及

That politician has come up in my opinion since I heard his last speech.自从我上次听了那位政治家... | 5.be brought up for discussion;be mentioned被提出讨论;提及 | The question hasn't come up yet.这个问题...

genetic recombination：遗传重组

第三节基因重组和基因杂交基因重组(gene recombination) 遗传重组(genetic recombination):两个独立基因组内的遗传基因,通过一定的途径转移到一起,形成新的稳定基因组的过程.

d-c restorer：直流分量还原器

d-c reinsertion 直流成分恢复 | d-c restorer 直流分量还原器 | d-c ringer 直流电铃