binder
柯林斯词典
1. N-COUNT A binder is a hard cover with metal rings inside, which is used to hold loose pieces of paper. 活页夹
返回 binder
binder /ˈbaɪndə/ (binders)
剑桥词典
binder noun [C] (COVER)
a hard cover in which paper documents or magazines are stored
活页夹
a leather /plastic binder 皮质／塑料活页夹
也见 ring binder
binder noun [C] (JOB)
a bookbinder
装订工
binder noun [C] (MACHINE)
a machine used on farms to fasten crops into sheaves (= bundles ) after they have been cut
装订机
binder noun [C] (SUBSTANCE)
a substance added to a mixture to make all the parts stick together
粘结剂；增粘剂 返回 binder