Polyarylate
多芳基化合物
🗣️ 情景例句
I believe my English fluency is quite good.
我认为自己的英语相当的流利。
Our standardized packing has been approved by many foreign clients.
许多国外客户已经认可了我们标准化的包装。
Mr Green is from England.
格林先生从英国来。