Heterocycle
[化]杂环
🗣️ 情景例句
What do we read?
我们读些什么呢？
Were it left to me to decide whether we should have a city without bikes or one without cars.
如果让我来决定我们要一个没有自行车的城市，还是要一个没的汽车的城市。
Who told you that?
谁告诉你的？