Macrocycle
(包含15个原子以上的)大环
🗣️ 情景例句
Bye.
再见。
Have you ever seen anyone so fond of dancing.
你见过有谁爱跳舞吗？
we are now pretty certain the Earth is the only one on which life can survive.
我们目前可以肯定的是，地球是生命能存在的唯一行星。