Welding backing
[化] 焊接衬垫
🧩 词语组成解析
a. 焊的\\n[机] 熔接, 焊接, 锻接
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
🗣️ 情景例句
What's the food like in China?
中国的食物口味怎么样？
Being the newest member of this committee is really difficult.
能成为这个集体的新成员是很难的。
Hello! Could I speak to the headmaster, please?
您好！我能和校长通话吗？