例句:During his presidency many changes took place.
在他任职期间发生了许多变化。
2.upper adj.较高的, 上部的
例句:He is a member of the upper house of legislature.
他是上议院的成员之一。
3.claim vt.声称, 断言
例句:They claim to have discovered a cure for the disease.
他们声称已经发现了治疗此病的一种药物。
4.denounce vt.公开指责,谴责,斥责
例句:We should denounce a heresy.
我们应该公开指责异端邪说。
He denounced her as traitor.
他指责她是叛徒。