Polyisobutene
聚异丁烯; 聚异丁烯
🗣️ 情景例句
But Alexandra and I
但Alexandra和我
I'm afraid it won't be cold enough for a snowfall.
我恐怕天不会冷的下雪。
When Dickie was given the watch, the presented the assistant with the cloth bag.
店员为迪基拿出了那块手表，迪基把布口袋递给他，口袋里面装着300镑的便士。