Emergency pump
[化] 备用泵; 紧急备用泵; 事故应急泵; 危急排水泵
🧩 词语组成解析
pump
[pʌmp]
n. 抽水机;打气筒;泵;轻软舞鞋;
v. 用泵输送 ;涌出;急速摇晃;盘问;
🗣️ 情景例句
Robbie says you can't take him to the game today. Robbie
说你今天不能带他去看比赛。
Can you come out and play with me?
你能够和我一起出去玩吗？
it has to develop (partly by means of touch) the ability to judge roughly three-dimensonal distances.
儿童必须发展（部分通过触觉）粗略判断三维空间距离的能力。