Polybutylene
[机] 聚丁烯
🗣️ 情景例句
Oh, hello! How nice of you to remember us!
噢， 好， 真好， 还记得我们！
Genius is one percent inspiration and 99 percent perspiration.
天才一分来自灵感，九十九分来自勤奋。
No, thanks. It's big, but it isn't heavy. It's light.
不用了，谢谢，是大盒子，但不重。很轻。