Corixidae
n. [昆] 划蝽科
🗣️ 情景例句
Lacks courtesy is ill-mannered.
不礼貌，举止不当。
Why are you so sad?
你为什么这样伤心？
It was raining heavily and they found that a stream had formed in the field.
雨下得很大，他们发现地上已经形成了一条小溪。