Pbt
[化] 聚对苯二甲酸丁二酯
🗣️ 情景例句
Good night, Mrs. Stewart.
晚安，Stewart太太。
Yes, I have got the license from the Bank of China. Here you are.
是的，我已得到中国银行的许可。请过目。
But this phase of our development is now finished.
但这个发展阶段已经结束。