查询词典 drop bottom

drop: drop behind：落在后面

Hunger drove them to sell their children. 饥饿迫使他们卖儿... | drop: drop behind 落在后面 | Illness in the family and other worries caused him to drop behind in his studies. 家中有人生病和其他烦恼事使他...

drop back; drop behind：落后

dress up穿上盛装;装扮,修饰 | drop back; drop behind 落后 | drop out退出,退学

His payments of rent often drop behind：拖延;推迟

drop behind 落后于 He dropped behind the other runners. | 拖延;推迟His payments of rent often drop behind. | drop by 顺便到(某处) We dropped by the club to see if Bill was there, but he wasn't.

drop across：偶遇

drop a pinch of salt on the tail of 诱惑 | drop across 偶遇 | drop anchor 抛锚

drop across：偶然遇见 训斥, 遣责

to the last drop of one's blood (战斗)到最后一滴血 | drop across 偶然遇见 训斥, 遣责 | drop asleep 不觉睡着; 安然死去

drop across：[俗语] 偶遇(某人)

drop a stitch 织漏一针. | drop across [俗语] 偶遇(某人). | drop altitude 空投高度.

drop back：退后, 后撤 恢复(旧习惯等)

drop away (一个一个地)离开, 散去 | drop back 退后, 后撤 恢复(旧习惯等)(into) | drop behind 落 伍, 落后, 落在...之后

drop back into：恢复

drop away 离开 | drop back into 恢复 | drop back 退后

drop the ball behind the block (to)：坠在地上

双托球手 drop 下坠 drop on the ground (to) | 坠在地上 drop the ball behind the block (to) | 双手鱼跃 two-hand reception

drop bottle filler：滴剂装瓶机

drop bolt 活节螺栓 | drop bottle filler 滴剂装瓶机 | drop bottle 滴瓶

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