Welding with backing
[化] 衬垫焊; 垫板焊
🧩 词语组成解析
a. 焊的\\n[机] 熔接, 焊接, 锻接
with
[wɪð]
prep. 和，跟;随着;关于;和…一致;
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
🗣️ 情景例句
Good morning, Mr. Smith. I brought the contract you are been looking for.
上午好，斯密司先生。我带来了你要等待的合同。
I've got a headache.
我头痛。
When they had all made themselves comfortable, a stranger appeared.
当他们都已安排舒适时，一个陌生人出现了。