Castolin
铸铁焊料合金
🗣️ 情景例句
I'll be in the front office all day.
我整天都在总办公室。
We waved until the car was out of sight.
我们挥手直到汽车消失。
The trickle became a stream; the stream has now become a torrent.
涓涓细流汇成小溪，小溪现已变成了奔腾的江河。