Acerdol
[化] 高锰酸钙
🗣️ 情景例句
I know a friend who can get us free tickets.
我认识一个可以给我们弄到免费票的朋友。
He most lives who lives most for others.
活著对别人贡献最多的人，活得最有意义。
gravity is the force that drives them in a continual attempt to restore the ocean surface to a flat plain.
地球引力是持续不断企图使海面复原为平面的力量。