Adjustable speed drive
[化] 变速传动
🧩 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;
drive
[draɪv]
v. 驾驶;开车;驱动;迫使;
n. 驱车旅行;驱动力;车道;驱动器;
🗣️ 情景例句
But who's going to pay for all of this?
但谁来为这些付钱呢？
Newspapers keep us in contact with the events of the world.
报纸是巨大的信息来源，互联网也不能取代它的地位。
Help! said Bruce. The basket isn't here!
“来人啊！”布鲁斯说，“篮子不见了！”