Variable-speed unit
[化] 无级变速器; 无级变速装置
🧩 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;
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
Especially with his teething.
特别是他现在开始长牙。
He has bought 10 tractors for the village.
他为村里买了10台拖拉机。
There's an old teapot over there. Isn't it beautiful! said Ann.
“那儿有一个旧茶壶。它不美丽吗？” 安说