Backing vacuum
[化] 前级真空
🧩 词语组成解析
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
🗣️ 情景例句
Well, Robbie told me when he gave me this.
嗯，当Robbie送给我这个的时候他告诉了我。
I don't have the nerve to do it.
我没勇气去做。
So your aunt was a wealthy woman?
那么你伯母就是一位富有的女人了？