Backswimmers
n. 【昆虫】仰泳蝽,松藻虫[仰泳蝽科(Notonectidae)水虫][亦作 boat bug]
🗣️ 情景例句
They are indifferent to politics.
他们对政治漠不关心。
I used to have lunch every day at the same time.
我过去常每天在同一时间吃午餐。
Once there was an old tiger.
从前有一只年迈的老虎。