Nitrocalcite
钙硝石
🗣️ 情景例句
But I may not want to go to Michigan.
但是， 我可能不去Michigan。
People greet one another with Happy New Year.
人们相互祝福“新年好”。
I've got a pain here. Just here. Ouch!
我这儿痛。就这儿。哎哟！