Polycyclic
a. 多环的\\n[医] 多环的
🗣️ 情景例句
Why does it have to be one or the other?
为什么非得有这个就没有那个？
Which would you rather have--steak or fish?
你想要牛排还是鱼？
I get to school at about 7:30 every day.
我每天七点半到校。