Nitropolymer
硝基聚合物
🗣️ 情景例句
What time does he punch out?
他几点打卡下班？
I've arranged my class schedule so I'll have my afternoons free.
我调整了我的课程表，以便下午腾出空来。
Civilized men like such a way of living.
文明人喜欢这样一种生活方式。