circulation
[NOUN]
circulations
1. [U 不可数名词] 流传
The circulation of a piece of writing is the act of passing round copies of it among a group of people.
双语例句
例：an inquiry into the circulation of 'unacceptable literature'.
对于“不可接受的文学”的流传所进行的调查。
2. [U 不可数名词] 循环
The circulation of something within a closed place or system is its free and easy movement within the place or system.
近义词
双语例句
例：The north pole is warmer than the south and the circulation of air around it is less well contained.
北极比南极温暖，其周围的空气循环更为畅通。
例：the principle of free circulation of goods.
货物自由流通的原理。
3. [C 可数名词] 发行量
The circulation of a newspaper or magazine is the number of copies that are sold each time it is produced.
双语例句
例：The Daily News once had the highest circulation of any daily in the country.
《每日新闻报》一度在该国所有日报中拥有最高发行量。
4. [U 不可数名词] 血液循环
Your circulation is the movement of blood through your body.
双语例句
例：Anyone with heart, lung, or circulation problems should seek medical advice before flying.
任何有心、肺或血液循环问题的人都应该在乘坐飞机前寻求医生建议。
NOUN. 名词
in circulation , out of circulation
1. 流通 , 停止流通
If something such as money is in circulation, it is being used by the public. If something is out of circulation or has been withdrawn from circulation, it is no longer available for use by the public.
双语例句
例：The supply of money in circulation was drastically reduced overnight.
一夜之间流通货币的供应就急剧减少了。
例：a society like America, with perhaps 180 million guns in circulation.
像美国这样的社会里，可能有1.8亿支枪在流通之中。
PHRASE. 习语
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