Polyisoprene
n. [化]聚异戊二烯
🗣️ 情景例句
Well, how would it be if you took some time
好， 那你花些时间
She's free on Friday and Saturday.
她周五和周六有空。
Half past four. Don't forget to tell Jim. I hope he can come too.
4：30。别忘记告诉吉姆。我希望他也能来。