| 释义 |
grad·er
\ˈgrādə(r)\ noun
(-s)
1. : one that grades: as
a. : a worker or machine that grades and sorts materials or products according to certain specifications (as of size, color, weight, condition, quality)
b. : a clerk who assists with the correction of students' test papers and the computation of grades
c. : a machine for grading and shallow excavating usually having an adjustable blade for pushing material
d. : a worker who grades surfaces (as of roadbeds or excavation slopes) by means of hand tools or a grading machine
2. : a pupil in an elementary or secondary school grade — used with an ordinal numeral designating the grade
< a fifth grader >
< a ninth grader >
3. : a clothing worker who from a standard pattern size figures out and cuts out patterns for other sizes |