Operation
[ ,ɑpə'reʃən ]
第1级
其它 Other
n. 操作，经营;手术;[数]运算;作用;
💡 词根助记
oper 工作 + ation 表示行为、状态、过程 → n.操作；手术；运算
📝 例句
A multistage operation improves the thermal efficiency.
多层操作可以提高热效率。
An analog multiplier whose operation is based on the identity:
xy=［(x+y)2-(x-y)2］/4 incorporating inverters, summers and square-law function generators.
The operation of this machine is simple.
这个机器的操作很简单。
He continued his operations in cotton futures.
他继续进行棉花期货交易。
The operation of a railroad needs many men.
铁路的营运需要很多人。
✅ 同义词
🔤 词根
-ion表示“行为结果”
常见变体有tion、ation、ition
📖 牛津释义
operation
n
1 [U] way in which sth works; working 运转; 操作; 工作
I can use a word processor but I don't understand its operation. 我能使用文字处理机, 但不了解其运转机制.
2 [C] activity, often involving several people and/or spread over a period of time 行动
mount a rescue operation 发起营救行动
at each stage of the massive police operation 在警方大规模行动的每一阶段上
The entire operation will take about five days. 整个行动约需时五日.
3 (also op) [C]
~ (on sb) (for sth); ~ (to do sth) (medical 医) action performed by a surgeon on any part of the body, to treat or remove by cutting a diseased or an injured part 手术
undergo an operation for appendicitis 接受阑尾切除手术
perform an operation to amputate his leg 把他的一条腿截除
a liver transplant operation 肝脏移植手术.
4 [C] business company 公司: a huge multinational electronics operation 一家大规模的跨国电子公司.
5
(a) [C usu pl 通常作复数]
(also ops) movement of ships, troops, aircraft, etc in war or during training （作战或训练中的）军事行动, 作战行动
the officer in charge of operations 军事行动指挥官.
(b) Operation [sing]
(used as part of a code name for military campaigns 用作军事行动代号的一部分)
Operation Overlord 领主行动.
(c) [C usu pl 通常作复数]
planned campaign in industry, business, etc （工商业等的）有计画的业务活动
involved in building, banking, business operations 经营建筑业、 银行业、 商业
operations research, ie study of business operations to improve efficiency in industry运筹学.
6 [C] (mathematics 数) addition, multiplication, subtraction, division, etc 运算.
7 (idm 习语) be in operation; bring sth/come into operation (cause sth to) be/become effective （使某事物）生效, 起作用
When does the plan come into operation? 这项计画什麽时候实施?
Is this rule in operation yet? 这条规则生效了吗?
🔁 扩展释义
*[,ɒpә'reiʃәn]n. 操作, 动作, 手术, 运算, 作用, 业务【计】 运算【医】 手术【经】 操作, 营业, 经营相关词组: perform an operation on a patient for in operation
🏥 医学释义
手术，操作，运转
🌿 同词根单词
📖 同为「高中」词汇
查看全部高中词汇 ›🗣️ 情景例句
Do you have anything to declare for customs?
有什么要申报呀？
It is not work that kills, but worry.
劳动不伤人，忧虑才伤人。
'I needn't remind you of that terrible tie you bought yesterday.'
“我也不必提醒你昨天买的那条糟糕透了的领带。”