Epm
[化] 二元乙丙橡胶; 乙丙二元橡胶
🗣️ 情景例句
About eight o'clock?
差不多八点钟好吗？
A little child is the sweetest and purest thing in the world.
幼儿是世界上最可爱和最纯洁的。
The television is near the window.
电视机靠近窗子。