Todaywhen I just to begin the work, the small disciple come to ask me: master, I sawthe berth of the quick launching ship is very strange, the good propeller is sandingand painting.

今天刚刚上班，小徒弟跑过来：师父今天我看到船台的那条快下水的船很奇怪，好好的螺旋桨又是打砂又是喷漆。

youdao

The importance of the propeller is needless to say. And it hasthe most important effects on the work status of the whole ship.

螺旋桨的重要性不用多说大家都知道，它的好坏直接影响整条船的工作状态。

youdao

The propeller can't work well.

螺旋桨工作不稳定。

youdao

His latest work in progress is a submarine, complete with half-tonne propeller, that will take centre stage in a children's playground.

BBC: How to build a bigger, better corkscrew

Ordinary rotors do not work on such a small scale, so Friend's micro-robot project has a special flagellated propeller, mimicking the swimming behaviour of E.coli bacteria.

CNN: Nanobots get to the heart of the matter