Perthosite
[地质]淡钠二长岩
🗣️ 情景例句
Do you want a first class, business class or economy seat?
你想要头等舱、商务舱还是经济舱？
We really wish you'll have a pleasant stay here.
我们真诚地希望你们在这里过得愉快。
Oh, good! He's coming down the ladder, now.
噢，好！现在他正从梯子上爬下来。