Blade的用法和搭配？

blade用法及搭配？

1、C 1.刀口，刀刃 the flat cutting part of a knife,sword, or other cutting tool or weapon

2、C 2.叶片，草叶 long flat leaf of grass or grasslike plants such as wheat

3、～+介词

a blade of grass 一叶草

4、介词+～

pocket knife with two blades 双刃小刀

5、句型例句

①The blade has lost its edge.

刀口已经不再锋利了。

②The blades of grass quivered in the wind.

草叶随风颤动。