detentions

英 [dɪˈtɛnʃənz]

美 [dɪˈtɛnʃənz]

n. 拘留; 扣押; 监禁; 放学后留校，留堂(处罚学生)
detention的复数

柯林斯词典

N-UNCOUNT (尤指出于政治原因的)拘留，扣押，监禁
Detentionis when someone is arrested or put into prison, especially for political reasons.
1. ...the detention without trial of government critics...
  对政府批评者未经审讯的关押
2. They have been held in detention since the end of June...
  他们从6月底以来就一直受到监禁。
3. The government says the detentions are necessary on national security grounds.
  政府称，出于国家安全的考虑，将这些人羁押是必要的。
N-VAR (惩罚顽皮学童的)放学后留校
Detentionis a punishment for naughty schoolchildren, who are made to stay at school after the other children have gone home.
1. The teacher kept the boys in detention after school.
  老师将这些男生课后留堂。