Backing run
[化] 封底焊
🧩 词语组成解析
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
run
[rʌn]
vt.& vi. 跑;移动;（使）流动;
n. 奔跑;行程;放映期;一系列;
vi. （工作等）进行;延续;逃跑;行驶;
vt. 使奔跑;使…快速移动;运行，经营;划;
adj. 融化的;浇铸的;跑的筋疲力尽的;
🗣️ 情景例句
Could you get one for me, please?
麻烦你帮我叫一辆好吗？
In college I majored in history, What was you major?
大学时我主修历史，你主修什么呢？
Has he had anything to eat this morning?
他今早吃了什么东西吗？