The long blades clashed together.

长刀相击铿然作响。

《牛津词典》

Enables the use of short blades, long blades, and bows.

允许使用短武器，长柄武器，以及弓箭。

youdao

The pointed end could of course be used as a drill, while the long blades on either side would cut trees or meat or scrape bark or skins.

那尖端的一边肯定可以当成钻头，而两边长长的锋利边缘则可以用来伐树割肉，或者刮树皮扒兽皮。

youdao

Technology advances in the last few years have replaced older, faster-moving windmills with new, self-monitoring turbines whose 150-foot long blades adjust to wind direction and speed.

CNN: wind turbines

Huge 80-metre-long turbine blades, made in a single span, for vast wind farms out at sea.

BBC: Vince Cable opens Bristol carbon fibre research centre

Immediately after the race, Mr. Pistorius complained bitterly that his rival's blades were too long, giving him an unfair advantage.

WSJ: Olympian Pistorius to Face Charges in Killing