Pbt
[化] 聚对苯二甲酸丁二酯
🗣️ 情景例句
We'll tell you the big surprise.
我来告诉你们这个大惊喜。
He who risks nothing, gains nothing.
不入虎穴，焉得虎子。
She feared staying alone in the farmhouse.
她害怕一个人留在农舍里。