Perparaldehyde
[化] 过仲醛
🗣️ 情景例句
My boss and some friends at the office.
我老板和办公室的同事。
I hadn't planned on swimming across the whole lake.
我可从没计划要游过整个湖。
The tour should last about an hour and a half.
这次参观大概需要一个半小时。