Methylpentene polymer
[建] 甲基戊烯聚合物
🧩 词语组成解析
🗣️ 情景例句
It is pleasant to jog in the early morning.
清晨慢跑很舒畅。
All right.
好的。
He is now retiring from political life and has gone abroad.
他现在退出了政界，到国外去了。