detentions是什么意思？

detentions

• n. 拘留( detention的名词复数 )，扣押，监禁，放学后留校；

例句

• Teachers may assign detention tasks as they wish and some detentions have been actually dangerous. 老师可能随心所欲指派关禁闭的形式,有些禁闭事实上很危险.

柯林斯高阶英汉双解学习词典释义

• N-UNCOUNT
  (尤指出于政治原因的)拘留，扣押，监禁
  Detention is when someone is arrested or put into prison, especially for political reasons.
  例句
  ...the detention without trial of government critics... 对政府批评者未经审讯的关押 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。
• N-VAR
  (惩罚顽皮学童的)放学后留校
  Detention is a punishment for naughty schoolchildren, who are made to stay at school after the other children have gone home.
  例句
  The teacher kept the boys in detention after school. 老师将这些男生课后留堂。