a state that is controlled and protected by another
受保护国。
the relationship between a state of this kind and the one that controls it
(国与国之间的)保护关系
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a French protectorate had been established over Tunis .建立了法国对突尼斯的保护关系。
(一般作
〈史〉 护国公职位,护国时期(尤指英国奥利弗·克伦威尔和理查德· 克伦威尔时期)。