Polyacetal
[化] 聚缩醛
🗣️ 情景例句
I wish we had brought Max.
我也希望带了Max来。
Do you have any plan for your career?
你对未来有什么计划吗？
In the evenings he studied hard for his exams, and most mornings he took tourists around Oxford.
他晚间努力学习，以应付考试，而大多数早上，他则带领游客在牛津大学参观。