Macrocycle
(包含15个原子以上的)大环
🗣️ 情景例句
because the doctors and nurses are so busy?
因为医生和护士们都非常忙？
How long have you had this pain?
疼痛多久了？
It'll be cool there,said Ah Fang.
“那儿凉快，”阿芳说。