blade S3 / bleɪd / 名词 [可数名词]

1 the flat cutting part of a tool or weapon → edge

blade of

The blade of the knife flashed in the moonlight.

a razor blade

2 the flat wide part of an object that pushes against air or water :

the blade of an oar

3 blade of grass a single thin flat piece of grass

4 the metal part on the bottom of an ice-skate

→ shoulder blade