Epdm
[化] 三元乙丙橡胶; 乙丙三元橡胶
🗣️ 情景例句
Yes, he makes house calls, but the doctor has an opening only after 2:00 p.m.
好，他愿出诊，但他在下午2点后才有空。
Thank you.
谢谢。
It was an important part of Native American's existence.
野牛是美洲土著人赖以生活的重要部分。