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
But ... I'll miss him.
但是……我会想他的。
In Arizona, the stars seem very bright.
在亚利桑那州，星星看起来格外明亮。
Spiders are busy for at least half the year in killing insects.
蜘蛛至少有半年在忙于吃昆虫。