Castolin
铸铁焊料合金
🗣️ 情景例句
I need to be in the top percentage of my class to study abroad.
为出国留学，我的成绩必须在班里名列前茅。
Promise is debt.
许愿就是债，欠了不容赖。
One young calf especially enjoyed raising a turtle to the surface with his snout and then shoving him across the tank like an aquaplane.
一只小海豚特别喜欢用鼻子把海龟推到水面，然后像滑水板一样把海龟从水池的这一边推到那一边。