Variable-speed pump
[化] 变速泵
🧩 词语组成解析
speed
[spid]
n. 速度;快速;昌盛;（汽车的）变速器，排挡;
vt.& vi. 急行，加速;
vi. 超速;加速;迅速前行;兴隆;
vt. 加快…的速度;使成功，使繁荣;
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
My mom is available to baby-sit this weekend.
我妈妈在这个周末可以照顾小宝宝。
Did you have a good flight?
你旅途愉快吗？
Although perhaps only 1 per cent of the life that has started somewhere will develop into highly complex and intelligent patterns,
虽然在已经产生生命的某个地方，可能只有1%会发展成高度复杂有智力的生命形态，