Beryllite
水硅铍石
🗣️ 情景例句
He is not up to the job.
他不能胜任这个工作。
How much is a one-way ticket to Beijing?
一张到北京的单程票要多少钱？
Perhaps it will suffice to mention the nuclear bomb.
也许提一下核弹就足以说明了。