Glucinite
磷铍钙石
🗣️ 情景例句
Hi, Betty. I'll be at five five five...seventeen twenty.
好 Betty 我的号码是555-1720。
Tom graduated from college at a very young age.
汤姆很年轻就从大学毕业了。
'May I have two tickets please?' I asked.
“我可以买两张票吗？”