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
Is something the matter, Grandpa?
怎么了，爷爷？
To carry the body to the cemetery
把尸体运到墓地
Hooray! shouted Class 3. Well done, everyone! Congratulations, Lin Tao!
“赢啦！”3班的同学喊道，“你们太棒啦！祝贺你，林涛！”