Plagioclasite
斜长岩
🗣️ 情景例句
Tom, would you give Mr. Johnson Tom
拿给Johnson先生
Excuse me! I'm sorry I startled you!
对不起！很抱歉，让你受惊了！
I would like to express to all of you here our sincere welcome.
让我向在座诸位致以最真挚的欢迎。’