Beryllia
氧化铍
🗣️ 情景例句
and from the University of Michigan in 1956.
一九五六年从Michigan大学毕业。
Bad news has wings.
坏事传千里。
Oh, hello, Lin Tao. Fine, thanks. What about you?
噢，你好，林涛。很好，谢谢。你好吗？