记忆方法
双解例句
小知识
If something is operational, it’s up and running and ready to go. If you’ve been waiting for a new skating rink to open, you’ll jump for joy when it’s finally operational.
When something is operational, it's ready to use or is already in use. Don’t get on an elevator that’s not fully operational unless you like getting stuck. Any gadget being used is operational. If someone calls you and you pick up and talk, then both phones are operational. If the compost bin you’ve been working on is operational, go ahead and throw in the banana peels. Operational things are functional. If your skates are operational, lace up and go!
实用短语
常用短语
单词用法
operational risk操作风险;经营风险;运作风险
operational performance[计]运算性能;使用特性
operational research[英]运筹学
词根词缀
词根: oper
=work,表示”工作”
adj.
operable 可操作的,能做手术的oper工作+able能……的→能工作[操作,手术]的
operational 操作的, 运作的operation操作+al……的→adj.操作的, 运作的
operose [古]费力的,困难的,辛勤的oper工作+ose多……的→多工作的
n.
cooperation 合作co共同+operation操作→共同操作→合作
opera 歌剧oper工作+a→通过工作[创作]而来
operation 运转,开动,操作,手术,运算,经营operate[v.操作,运转,开动,起作用,动手术]+ion表名词→n.运转,开动,操作,手术,运算,经营
operator 操作员, 工作者operate操作+or人→operator操作员
operetta 小歌剧oper=opera[n.歌剧]+etta=ette小→小歌剧
v.
cooperate [with]合作,协作,相配合co共同+operate操作→共同工作
operate 操作,运转,开动,起作用,动手术oper工作+ate表动词→工作起来
同义词
同根词
词根:operate
adj.operating操作的;[外科] 外科手术的
operative有效的;运转着的;从事生产劳动的
operant操作的;有效的
operable可操作的;可动手术的
n.operation操作;经营;[外科] 手术;[数][计] 运算
operator经营者;操作员;话务员;行家
operative侦探;技工
operand[计] 操作数;[计] 运算对象
operant自发反应;操作性制约;发生作用之人或物
operationalism操作主义(等于operationism)
v.operating操作(operate的ing形式);动手术
vi.operate运转;动手术;起作用
vt.operate操作;经营;引起;对…开刀