Polyformaldehyde
聚甲醛
🗣️ 情景例句
What you're saying is, in order for this center to succeed,
你刚才所说的意思是为了使中心能成功，
It's my pleasure.
这是我的荣幸。
At the international level, sport is frankly mimic warfare.
在国际比赛中，体育简直是一场模拟战争。