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
He will say so, and you may disagree with him too - politely, of course!
你也可能会不同意他的看法——当然，你应该礼貌地告诉他。
What were you doing this time last year?
去年这时候你在干什么？
Because the tree was mentioned in a newspaper, the number of visitors to Frinley has now increased.
就因为报上提到过这棵树，所以现在来弗林利参观的人越来越多。