Rafts are crewed by ten men who use single bladed paddles .
救生艇上有十名船员，全都使用单叶桨。
I select thin bladed hay or grass for this purpose .
我选择薄刃为此干草或草。
Machine in which the kinetic energy of a moving fluid is converted into mechanical energy by causing a bladed rotor to rotate .
通过装有叶片的转子旋转把流动物体的动能转化为机械能的机器。
Sixteen people have so far been charged with offences including burglary , violent disorder and possession of a pointed or bladed weapon following the tottenham riots .
