Contrapropeller
整流（螺旋）推进器, 整流螺旋桨, 同轴反转式螺旋桨
🗣️ 情景例句
It's five years ago.
那是五年前了。
The thief is peeping through a keyhole.
那个小偷从钥匙孔中窥视。
You can see how it is now. I can't possibly wear it.
你可以看看它现在成了什么样子了。我不可能穿它了。