Monotremes
(monotreme 的复数) n. 单孔目动物\\n[医] 单孔类
🗣️ 情景例句
The rules can be applied to any case.
这规则可适用于任何情况。
You really did it this time!
这下你可糟了！
You must keep it a secret. You mustn't tell anybody else.
你必须保密，谁都不能讲。