??? 情景例句
Don't litter.
請(qǐng)不要亂扔?xùn)|西。
At noon I had lunch with a friend of mine.
在中午我與一個(gè)朋友一起吃了午餐。
Alfred had learned many of their ballads in his youth,
阿爾弗德年輕時(shí)學(xué)過(guò)許多民歌，