Castolin
铸铁焊料合金
🗣️ 情景例句
I know a good spot for-
我知道一个好地点干-
Don't speak all you know, but know all you speak.
不要尽言所知，而要尽知所言。
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平静下来，两天以后又返回去。