Tilasite
氟砷钙镁石
🗣️ 情景例句
It's extremely good of you to do this for me.
你帮我做了这件事，真是太好了。
Guess how old I am.
猜测我有多大。
As a result of these wars and diseases, the Maori population fell from 100,000 to 42,000.
由于这些战争与疾病，毛利人的人口从100，000人下降到4，200人。