Barylite
硅钡铍石
🗣️ 情景例句
Wouldn't it be nice if we could skip the examinations
要是我们可以略过考试 那岂不是很好
While (or Where) there is life there is hope.
留得青山在，不怕没柴烧。
He is my age.
他和我同岁。