Elastoprene
二烯橡胶
🗣️ 情景例句
You can listen to BBC or VOA news if you want to improve your listening.
如果你想提高听力，你可以听英国广播电台或美国之音的新闻节目。
Certainly. Ask whatever you like.
当然，你什么都可以问。
You may be interested in only some of the items.
你也许对某些产品感兴趣。