Preweld
焊接前, 烧焊前
🗣️ 情景例句
I made an appointment with the doctor at three.
我和医生约好3点钟看病。
How much is this?
这个多少钱？
'I am sorry,' he said.'I do not speak English.'
”很抱歉，“他说，”我不会讲英语。”