Polycyclopentadiene
聚环戊二烯
🗣️ 情景例句
Fine, thank you, Mr. Mrarchetta.
都好， 谢谢你 ，Mrarchetta先生。
Patience is bitter, but its fruit is sweet.
忍耐是苦痛的，但它的果实是甜蜜的。
Oh, Pierre, how wonderful! But I don't think we can go. I haven't got an evening dress for the ball! And a new dress costs over four hundred francs.
啊，比尔，太棒了！不过，我想我们去不成。我没有参加舞会的晚礼服啊！而一件新的晚礼服得花400多法郎。