Polyacetal
[化] 聚缩醛
🗣️ 情景例句
We are postponing our trip until the weather grows warmer.
我们拟把旅行推迟到天气暖和的一些时候。
He is showing off his brand-new car.
他正在炫耀新出品的汽车。
and to exercise such initiative as falls within their sphere,
在各自的工作范围内发挥主动性，