Open(type electric)motor
[化] 敞开式电动机
🗣️ 情景例句
The world could be heading for an economic recession.
世界也许正在走向经济衰退。
In college I majored in math, What was your major?
大学时我主修数学，你主修什么呢？
Oh, doctor. He seems terribly ill. Are you sure it's nothing serious?
噢，医生。他似乎病得很厉害。你肯定不是什么大病？