Preweld
焊接前, 烧焊前
🗣️ 情景例句
Not just for young people.
不仅仅对年轻人来说是这样。
Is it convenient to you if I come at 6 p.m.?
如果我下午6点来拜访你，方便吗？
Tim is an engineer.He is working for a big firm and he has already visited a great number of different places in Australia.
蒂姆是个工程师，正在一家大公司工作，并且已经去过澳大利亚的不少地方了。