round file
短语[机] 圆锉
发音
US
词形变化
round files
复数
round files
释义与例句
n.
-
1.
A metal file with a circular or rounded shape, used for shaping round surfaces.
Use a round file to deburr the pipe.
-
2.
The trash; the wastebasket.
幽默My junk mail goes straight into the round file the moment it arrives.