Polycyclic
a. 多环的\\n[医] 多环的
🗣️ 情景例句
You're the only one I can trun to.
你是我唯一能依赖的人。
Those flowers look pretty but don't give off a nice smell.
这些花看似漂亮，但是气味并不好。
It was true that he had just bought a lamb, he explained, but his lamb was black.
不错，他的确刚买了一只羔羊，阿列科解释说，但他的羔羊是黑色的。