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1.truce n．休战（协定），停战（协定）(cease-fire)
联想记忆：休战协定(truce)确认了战败是真的(true)
例：The two rival states proclaimed a sacred truce.
2.trunk n．树干（the main stem of a tree apart from limbs and roots）；躯干(the human or animal body apart from the head and appendages);主干(the central part of anything)
联想记忆：喝醉( drunk)了酒，倒在树干(trunk)土酣睡
例：The tree trunks will be used for lumber and the branches will be converted into wood chips to make fiberboard.
3.tuition n．学费(the price of or payment for instruction)
词根记忆：tuit(监护，看管)+ion--在学校的监护费用--学费
例：full tuition全额学费
4.turbulence n．骚乱，动荡(the quality or state of being turbulent)
词根记忆：来自turb(v.搅动)
例：Small firms generate market turbulence that creates additional dimensions of competition.
同根词：disturb(v.打扰：弄乱)；turbid(a．混乱的；浑浊的)
5.turbulent a．骚乱的，狂暴的(violently disturbed)
词根记忆：turb(搅动)+ulent--搅得厉害--狂暴的
例：Its role in the explanation of turbulent friction has been significant.
派生词：turbulence(n．动荡;震动)
6.typhoid n.伤寒(a disease of domestic animals resembling human typhus or typhoid)；a．伤寒的，斑疹伤寒症的(of, relating to, or suggestive of typhus)
例：At an orientation meeting, the travelers were told that they would each need a visa, a landing card, and evidence of inoculation against typhoid fever.
7.ultimate a．最终的，结果的(final and conclusive, eventual)
词根记忆：ultim(最远，落后)+ate--最终的
例：Both economic factors and governmental policies strongly influence the ultimate success of any innovation.
派生词：ultimately( ad.最后；根本)
同根词：ultimatum(n.最后通牒)
8.ultrasound n.超声(波)( vibrations of the same physical nature as sound but with frequencies above the range of human hearing)
例：Physicians can use a Doppler ultrasound device to detect fetal heartbeats.
9.unaccompanied a．无伴奏的(being without instrumental accompaniment)；无伴随的(not companied)
词根记忆：un（无）+accompan(陪伴)+ied（…的）--无陪伴的--无伴随的
例：Euripides' Medea never appears in medieval manuscripts unaccompanied by ancient commentary.
同根词：accompanist(n.伴奏者;伴随者)
adj. 国内的，家庭的，驯养的
n. 家仆，
