Stannometry
亚钖滴定
🗣️ 情景例句
It all happened so quickly!
这一切发生得太快了！
Life is a battle from cradle to grave.
人生是一场从生到死的战斗。
I can't see them there. Did you buy any this morning?
桌子下面没有。你今天早晨买了吗？