Pellosil
二氧化硅
🗣️ 情景例句
The college runs summer courses for Chinese learneers of English.
这所学院为学习英语的中国人开设了暑期班。
He'e never really made it as an actor.
他当演员从未有所成就。
I like sitting by the Wayle on fine afternoons.
我喜欢在天气晴朗的下午到河边坐坐。