Variable speed
[化] 变速
🧩 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;
🗣️ 情景例句
What is the allotted time for receiving?
这批货物什么时候我们能收到？
Don't have thy cloak to make when it begins to rain.
切莫临时抱佛脚。
I like reading English books, but they're sometimes rather hard.
我喜欢看英语书，但有时候英语书相当难读。