Epdm
[化] 三元乙丙橡胶; 乙丙三元橡胶
🗣️ 情景例句
If you drive carefully.
只要你小心驾驶。
Govern your thoughts when alone, and your tongue when in company.
一人独处慎于思，与人相处慎于言。
When are you leaving?
你什么时候离开？