释义
n.
a long term of imprisonment, which (in the UK) is now the only sentence for murder and the maximum for any crime. It is indeterminate in length, and in practice is rarely for the whole of a criminal's remaining life.
终身监禁（一种长期徒刑，在英国是对谋杀罪的惟一判决，也是对任何罪行的最重判决；刑期不固定，实际上很少执行到终身）。
词源
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