名 reverse side，rebellion，counterrevolutionaries，reactionaries；动 turn over，return，counter，oppose；形 （相反的） opposite，contrary，reversed；副 on the contrary，i

[生]reflex，[物]reflect，reverberate，reverberation，echo；

[例句] 灯光照在满是灰尘的墙上，反射回苍白的冷光。 Lights reflected off dust-covered walls creating a ghostly luminescence.

[例句] 需要保护你的手臂和双腿免受玻璃反射光线的照射。 Your arms and legs need protection from light bouncing off glass.

reaction，response，repercussion，feedback，reactivity ；

[例句] 对于这个决定的反应非常不一致。 There has been a very mixed reaction to the decision.

[例句] 电梯开动了，接着剧烈震颤起来，然后就毫无反应了。 The lift started off, juddered, and went out of action.

[电] feedback，couple back，retroaction，tickling，feed back ；

repeatedly，again and again，reversal，relapse，reiteration ；

[例句] 演奏钢琴的戴夫将这支曲子反复弹了两三遍。 Dave, the pianist, played it over a couple of times.

[例句] 牙医可能会决定拔掉那颗牙，以免反复发作。 A dentist may decide to extract the tooth to prevent recurrent trouble.

unusual，abnormal，abnormality，anomaly，deregulation ；

[例句] 海军最高指挥部对这些进展的回应十分反常。 The naval high command's response to these developments is rather curious.

[例句] 那架飞机以反常的速度起飞升空。 The aircraft rose with unnatural speed on take-off.

[物] recoil，kickback，backswing，backlash，bounce-back ；

[例句] 发动机突然反冲. The engine kicked back.

[例句] 警察再次开火，紧抵着反冲机构，不断向袭击他的人射击。 The policeman fires again, tensed against the recoil, unleashing round after round at his assailant.

violate，run counter to，transgress，infringe，act against ；

[例句] 对工作许可证的要求违反了1950年条约的精神。 The requirement for work permits violates the spirit of the 1950 treaty.

[例句] 该报违反了保护隐私的行为准则。 The newspaper breached the code of conduct on privacy.

[物化] pile，reactor ；

[例句] 在反应堆里,大分子裂变为小分子. Inside the reactor the large molecules are cracked into smaller molecules.

[例句] 原子反应堆发出大量的热能. The atomic reactor generates enormous amounts of thermal energy.

[天] opposition （移相180°） ；

[例句] 这两个正弦波几乎是反相的. These two sinusoids are nearly out of phase.

[例句] MOS动态移位寄存器不是用 触发器组成, 而是用反相器组成. The MOS dynamic shift regisers do not consist of flip - flops , but of inverters.

oppose，be opposed to，object to，be against，argue against ；

[例句] 欧文因费用问题对此表示反对。 Owen was against it, on the grounds of expense.

[例句] 虽然朋友们明确反对，她还是坚持己见。 She persevered in her idea despite obvious objections raised by friends.

opposite direction，reverse，reversion，change ；

[例句] 熵的任何反向变化都是不合理的也是不可能的. The reversal of any entropychanging transformation would be neither reasonable nor possible.

[例句] 金星具有沿主轴反向自转的特性. Venus has the distinction of spinning " backward " on its axis.

revolt，resist，react，bid defiance to，gainst；

[例句] 如果道格拉斯对戴尔太过严厉，他就会反抗。 If Douglas came down hard enough on him, Dale would rebel.

[例句] 桑给巴尔岛的居民于1964年反抗苏丹统治，随后时局便不断恶化。 Zanzibar's fortunes declined after the islanders revolted against the sultanate in 1964.

reflect，reflex，report，make known，glass ；

[例句] 她在梦中焦虑不安，反映了她白天生活的基调。 Her dreams were troubled, reflecting the tenor of her waking hours.

[例句] 人生观的这种转变是否反映了日常生活中的真实遭遇？ Does such an attitudinal change reflect real experiences in daily life?

antisubmarine ；

[例句] 然而, 它仍然是PLA海军可用的唯一舷侧反潜鱼雷. However, it remains the only shipboard - submarine torpedo available for the PLA Navy.

[例句] 当然, 盟军反反潜作战是战争期间改善. Naturally, the Allies'anti submarine warfare was improved during the war.

refute，confute，retort，rebut，contradict ；

[例句] “拜托！”多特反驳道，“它们又便宜又管用。” "For heaven's sake!" Dot expostulated. "They're cheap and they're useful."

[例句] “喂，我不知道你在说些什么，”拉索反驳道。 "Hey, I don't know what you're talking about," Russo objected.

contrast，definition，contrast grade ；

[例句] 他那激昂的吉他演奏与其味同嚼蜡的歌唱之间的反差 the contrast between his overwhelming guitar-playing and his underwhelming singing

[例句] 墨绿色的备用卧室与宽敞明亮的主卧室形成了巨大的反差。 The dark green spare bedroom is in total contrast to the lightness of the large main bedroom.

opposite，contrary，in contrast，incompatibility between two drugs；

[例句] 本文所持的论点恰恰是站在相反的立场。 The argument contained herein takes exactly the opposite point of view.

[例句] 错误的态度会产生完全相反的效果。 The wrong attitude will have exactly the reverse effect.

reactionary，reaction，counteraction，retroact，retroaction ；

[例句] 广播电台声称已经消灭了87,000名“反动分子”。 The radio station claimed that 87,000 "reactionaries" had been eliminated.

[例句] 他们迫使成千上万的农民参加他们的反动军队. They forced thousands of peasants into their reactionary armies.

reverse side ，wrong side，opposite，negative side，con ；

[例句] 你猜是正面还是反面？ Heads or tails?

[例句] “唱片反面是什么歌？” "What'son the flip side?"