Speed inverter
[電] 語音逆反器
?? 詞語組成解析
speed
[spid]
n. 速度;快速;昌盛;（汽車的）變速器，排擋;
vt.& vi. 急行，加速;
vi. 超速;加速;迅速前行;興隆;
vt. 加快…的速度;使成功，使繁榮;
n. 倒轉者, 換流器, 反相器\\n[計] 反相器
??? 情景例句
Hang in there. things will get better.
堅持住，情況會好起來。
If I had known her telephone number, I would have called her.
如果我知道她的電話號碼，我就給她打電話了。
It's used for cutting.
用于切割。