1.volatile a.易变的,多变的(characterized by or subject to rapid change)
词根影象:volat(飞)+ile--飞来飞去的--多变的
例:volatile demand多变的需求
同根词:volant (a.飞行的;矫捷的):volary(n.大型鸟舍)
2.volunteer n.意愿者(a person who voluntarily undertakes or expresses a willingness to undertake a service);a.志愿的(being, consisting of, or engaged in by volunteers)
词根影象:volunt(意愿)+eer(人)--意愿者
例:We should disband our volunteer service and hire a commercial ambulance service.
同根词:benevolent(a.善心的,美意的);volition(n.意志力)
3.voracious a.饥不择食的(devouring or craving food in great quantities);贪心的(excessively eager; insatiable)
词根影象:vor(吃)+acious--吃得多的--饥不择食的
例:The survival of a rare New Zealand species of mistletoe is threatened both because its leaves are extremely tasty to a voracious opossum species and because its flowers are pollinated by two species of birds whose populations are in decline.
派生词:voraciously( ad.饥不择食地;得寸进尺地)
4.vortices n.漩涡(vortex的单数)
例:Sunspots, vortices of gas associated with strong electromagnetic activity are visible.
5.vulnerable a.易受打击的(capable of being physically wounded; assailable)
词根影象:vulner(伤)+able--易受打击的
例:The argument is most vulnerable to the objection.
派生词:vulnerably( ad.软弱地;易受损伤地);vulnerability(n.缺点;易损性)
6.wage v.发起(和平)(to engage in or carry on);n.人为(a payment, usually of money for labor or services, usually according to contract and on an hourly, daily, or piecework basis)
记:wage作为“人为”这一意思各人比拟熟习,可以了解为“为了人为而妥协”
例:Agricultural revenues in excess of the amount needed for subsistence were used by medieval kings to wage war.
7.wanton a.无控制的,纵容的(being without check or limitation);淘气的(mischievous)
发音影象:“顽童”--淘气的
例:Customs inspectors are often treated not like government employees but wanton poachers by travelers.
8.warbler n.(能叫出柔和颤音的)鸣禽
例:Blue-winged warblers are unlike most species of warbler in which it is very difficult to tell the male and female apart.
9.warrior n.兵士(a man engaged or experienced in warfare)
词根影象:war(和平)+rior--战役的人--兵士
例:terracotta warriors秦始皇戎马俑
n. 盼望,热望 动词crave的如今分词