Bipolymer
二(元共)聚物
🗣️ 情景例句
What a price! Lower it, please?
这么高的价格！请降点。
What's learnt in the cradle lasts till the tomb.
小时学过的，至死不忘记。
I was proud that we had come across something that was completely unknown and valuable and,
让我感到自豪的是，我们在无意中发现了不为世人所知的、有价值的东西，