如何使用 "trucial" 造句

1. Seven years later , when britain officially announced that it would disengage ( politically , not economically ) from the gulf in three years time , qatar joined bahrain and seven other trucial states in a federation .
七年之后,英国宣布它将在三年时间内从海湾脱离关系(政治,并非经济)。卡塔尔加入巴林和七个其他临时国家组成的联邦。