Bipolymer
二(元共)聚物
🗣️ 情景例句
I hope I'll go down in history as a famous English professor.
我希望成为未来历史上有名的英文教授。
Look! Lightening has struck the tree and it's on fire.
瞧！闪电划下来，引燃了树木。
I don't know! The address was on a piece of paper,but I can't find it now!
我不知道！地址在一张纸上，但现在找不着了！