blade

1. N-COUNT The blade of a knife, axe, or saw is the edge, which is used for cutting. 刃

Many of them will have sharp blades. 他們很多都會(huì)有鋒利的刃。

2. N-COUNT The blades of a propeller are the long, flat parts that turn around. (螺旋槳的) 槳葉

3. N-COUNT The blade of an oar is the thin flat part that you put into the water. (船槳的) 槳葉

4. N-COUNT A blade of grass is a single piece of grass. 草葉

Brian began to tear blades of grass from between the bricks. 布賴恩開(kāi)始從磚縫兒里拔草葉。