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
Bye.
再见。
I will be baptized in a few hours from now.
我将在几个小时后受洗。
I guess she's gone to visit some friends in another town.
我猜她是去别的城镇看朋友了。