a penal institution where prisoners are exiled (often located on an island from which escape is difficult or impossible)
双语例句
1
Critics railed that the last thing Russia needed was yet more land, secured by garrisons and penalcolonies.
批评者责骂说俄国最不需要的就是更多的边疆土地——由戍边卫队和流放人员看守的地方。
2
Transportation was sorely missed: Parliament pondered new penalcolonies in the Falkland Islands and even Antarctica, amid public panic at the idea of ex-prisoners roaming English streets.