usher—— To precede and introduce; inaugurate宣告，展示介绍;开始，开创=begin
unrestricted—— adj.无限制的，自由的=unlimited
unsubstantiated——未经证实的，未经证明的=unverified未经证实的，未经核对的
unravel—— To separate and clarify the elements of (something mysterious or baffling); solve分散并澄清=discover
undoubtedly——确实，无疑地，必定=unquestionably不成问题的;无可非议的;无可指责的
undergo—— To pass through; experience经过;经历=experience
unadorned—— Without adornment or embellishment; simple or plain未加装饰的;简单的，朴素的=plain
venerable—— Commanding respect by virtue of age， dignity， character， or position值得敬重的，令人崇敬的=worship Ardent devotion; adoration.热烈的崇拜;崇敬
variable—— Likely to change or vary; subject to variation; changeable易变的=unstable
vivid—— Evoking lifelike images within the mind; heard， seen， or felt as if real生动的=graphic Described in vivid detail生动细致地描写的
witness—— To take note of; observe作记录;观察=observe
yield—— To give forth by or as if by a natural process， especially by cultivation生产=provide， produce
Supplements
adjunct-addition辅助-附加
coarse-rough粗糙-粗糙
collectively-together共同的-一起
conclusive-definitive最后的，结论性的-最后的，确定性的
concomitant with-in conjunction with与…相一致-与…相一致
condone-mercy宽恕-宽恕
conflict-opposition冲突-相反
considerable-great(数量、程度)巨大的-巨大的
considerable-much大量的-大量的，坚实的
considerable-substantial大量的-大量的，坚实的
consort-associate合伙人，伴侣-合伙人，伙伴
consult-counsel商量-商量
contemporary-existing当代的-现存的
customary-usual习俗的-一般的
dampen-moisten使潮湿-使潮湿
daring-bold大胆的-大胆的
demand-order要求-命令
demonstrate-show证明-显示
dirt-soil土壤-土壤
disaster-catastrophe灾祸-大灾祸
discreet-careful谨慎的-小心的
disseminate-spread/impart/inform传播-散布/传播/传播
distinct-different截然不同的-不同的
distinct-obvious明显的-明显的
distinct-separate分别的，截然不同的-分离的
distinction-difference区别-差别
draw-attract吸引-吸引
责任编辑：mman
