1 . 后 缀. 变名词 (1)-ence，-ance结尾名词： 存在exist-existence. 发生occur-occurrence. 查阅/参考refer-reference. 更喜欢/偏好prefer-preference. 不同differ ...

WASHINGTON, Nov. 5 (Xinhua) -- U.S. Capitol Police said on Tuesday that officers have arrested a man who attempted to enter the Capitol building smelling like fuel and armed with potentially dangerous ...