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
In many countries, politicians are associated with money and scandals.
在许多国家，政客与金钱和丑闻分不开。
One may think that dares not speak.
人可思其不敢言者。
.Mr and Mrs Shute had a daughter called Jane.
舒特先生和夫人有一个女儿，名叫简。