Polybutadiene
[机] 聚丁二烯
🗣️ 情景例句
I did drink a lot of coffee when I was younger, But I have noticed the health benefits since I quit.
我在年轻时确实喝过很多咖啡，但我发觉戒了咖啡后身体健康多了。
Sorry to have kept you waiting.
抱歉使你久等了。
Often, I know what she's going to say. Sometimes, I know what she's thinking.
通常，我知道她想说什么。有时候，我知道她在想什么。