Welding with backing
[化] 襯墊焊; 墊板焊
?? 詞語組成解析
a. 焊的\\n[機] 熔接, 焊接, 鍛接
with
[w?e]
prep. 和，跟;隨著;關于;和…一致;
backing
[['b?ki?]]
n. 后退, 襯背, 后援, 支持者\\n[化] 襯墊
??? 情景例句
You'd better heat the dishes for a whild. Cold food isn't good for your stomach.
你最好是把菜溫一溫再吃，涼的食物對胃不好。
You have to study English, don't you?
你必須學英語，不是嗎？
The Officer went through the case with great care.
那位官員十分仔細地把箱子檢查了一遍。