246．enter on / upon (=begin) 开始（一个时代，一种生涯，一段任期等）
247．be entitled to (=be given the right to do sth.) 有权……，有资格……
248．be equal to 等于
249．be/ feel equal to (=have enough strength, ability etc.) （某人）能胜任，能应付
on equal terms (=on and equal footing) 平等地
250．be equipped with 装备有，装有
251．(be) equivalent to (=equal in value, amount, meaning) 相等于，相当于
252．in essence (=in its/one’s nature) 本质上
253．at all events (=in spite of everything, in any case) 不论怎样，无论如何
254．in any event (=whatever happens in the future) 无论如何，不管（将来）怎么样
255．in the event that (=if) 假如，如果。in the event 结果，实际情况是（常与but连用）
256．in the event of (＝in case of ) 万一，即使发生……时
257．except 除……以外；besides 除……以外还有……
258．except (=but) 除了。
259．except for (=apart from) 除……以外
260．(an) exception to ……的例外
261．with the exception of (=except, apart from) 除去……，除……以外
262．in excess of (=more than)超过
263．exchange...for以……交换
264．exclusive of (=not taking into account; without)不包括
265．in excuse of作为……的借口
266．exert...on...对……施加……
267．exert oneself to do sth．努力，使劲
268．come into existence (=begin to exist)开始存在；come into use开始使用；come into effect开始运转；come into fashion开始时新；come into action开始行动；come into power开始执政；come into sight进入视野；come into blossom开花；
269．(be) in existence存在come into existence出现
270．expect……of在……期望……
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