Beryllonite
磷(酸)钠铍石
🗣️ 情景例句
What kind of computers are you experienced in?
你熟悉哪种电脑？
I'm an American by birth.
我是土生土长的美国人。
no crowd or movement in which he may take comfort,
找不到伙伴和活动使自己得到安逸。