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
No, thank you. Please tell him to phone me when he comes back.
不了，谢谢。他回来时，请告诉他给我打个电话。
Early mistakes are the seeds of future trouble.
早期的错误可以酿成日后的麻烦。
I can't see. I think they're in her pencil-box.
我看不到。我想大概在她的铅笔盒里。