Euphyllite
钠钾云母
🗣️ 情景例句
Mary and Arnold are going steady.
玛丽和阿诺德正式成为情侣。
Can I fix an overseas call to London by person-to-person call?
我要打到伦敦的叫人电话好吗？
I thought you could do a better job.
我以为你的表现会更好。