replacement
n
1 [U] replacing or being replaced 回归原位; 代替; 更换
the replacement of worn parts 磨损零件的更换.
2 [C] ~ (for sb/sth) person or thing that replaces another 代替或替换他者的人或事物
find a replacement for Sue (ie sb to do her work) while she is ill 苏珊生病时找个代她工作的人
[attrib 作定语]
replacement staff 替补人员.