Macrocycle
(包含15个原子以上的)大环
🗣️ 情景例句
who really needs to be wearing a tuxedo,
真正需要穿燕尾服的人，
This is a very bad performance.
这是一次非常糟糕的演出。
for even though it was still summer, it rained continually and it was often bitterly cold.
因为即使那时仍为夏季，但雨总是下个不停，而且常常冷得厉害。