Soilbrom
二溴乙烷
🗣️ 情景例句
Susan has told me a great deal about you.
Susan告诉我许多关于你的事。
He that never rode never fell.
不骑马就永不会从马上跌下。
That's nice dress.It's very smart.
这件连衣裙真好，真漂亮。