Pentone
缬烯炔, 异戊烯炔
🗣️ 情景例句
Remember your father-in-law's a pediatrician.
记住你公公是小儿科医师。
What is the weather like in this country?
这个国家的气候如何？
Not wanting to frighten the poor man,
理查兹夫人不想吓唬这个可怜人，