Weld preparation
[化] 焊縫坡口加工
?? 詞語組成解析
weld
[w?ld]
vt.& vi. 焊接;使緊密結合;
n. 焊接點;黃色植物染料;
??? 情景例句
I went into business for myself
我當初自己開業
Please show me a better one.
請給我看一件好一點的衣服。
The train was late but nobody knew the reason for the delay.
火車晚點了，但沒人知道為什么。