Preweld
焊接前, 烧焊前
🗣️ 情景例句
Oh. I have the key. Grandpa sent it to me.
啊。钥匙在这里。爷爷寄来给我的。
Archeologists still can only surmise as to the origin of Man.
考古学家们对于人类的起源依然无法推测。
Class 3 did very well in the school sports meeting last week.
“3班在上星期的校运会上表现很好。