Barylite
硅钡铍石
🗣️ 情景例句
Are you having a good time, Susan?
玩得高兴吗， Susan？
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
I often visited The Gables when I was boy.
我小时候常去“山墙庄园”作客。