Pbt
[化] 聚对苯二甲酸丁二酯
🗣️ 情景例句
No problem.
小事一桩。
No matter what she says, don't show you are afraid.
不论她说什么，你也不要让人知道你害怕了。
The doctors have not yet decided how the woman died.
医生们至今还未确定这位妇女的死因。