集合

gather; assemble; muster; call together

♦ ~! (word of command) Fall in!

♦ 紧急~ emergency muster

♦ ~地点 assembly place; rendezvous

♦ 命令全排战士~。 Order the whole platoon to fall in.

~号 bugle call for fall-in; assembly~论 [数]set theory~名词 [语]collective noun~体 [矿]aggregate