Perai
n. [鱼]水虎鱼（产于南美产的一种小鱼）
🗣️ 情景例句
He married a classmate from high school.
他与高中时代的同班同学结婚。
If one side fails to observe the contract,the other side is entitled to cancel it.
如果一方不履行合同协议，另一方则有权终止合同。
The degree of secrecy naturally varies considerably.
保密程度自然差别很大。