Polyformaldehyde
聚甲醛
🗣️ 情景例句
It will take less than 5 minutes to check out.
退房最多只需5分钟。
It depends on the quantity ordered.
这要根据所订的数量而定。
one, to my certain knowledge, spent nine months on a novel about Kashmir,
据我所知，有位作家花了9个月的时间写了一部有关克什米尔的小说，