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
I understand
听说，
If you compare her work with his, you'll find hers is much better.
要是把他们俩的工作比较一下，你就会发现她的好得多。
I don't know. I think he's very old.
不知道。我想他年纪一定很大了。