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
She tends to talk too much.
她有饶舌的倾向。
To put on make-up
打扮
Suddenly my wife spotted a boat moored to the bank.
突然，妻子发现岸边泊着一条小船，