shadow，shade，[医]spot，cloud，drop shadow ；
[例句] 她的表情隐在阴影中，很难读懂。 Under the shaded light her expression was difficult to read.
[例句] 她的母亲被关在精神病院，这给她的童年蒙上了阴影。 Her childhood was overshadowed by her mother's incarceration in a psychiatric hospital.
recurrence，regression，flyback，regress，[电影]Return；
[例句] 卫生部部长呼吁传统家庭价值观的回归。 The Health Secretary called for a return to traditional family values.
[例句] 这是对他们从不曾真正拥有的青春时代的回归. It's a retreat into the adolescence they never really had.
concentrate，concentration，incrassation，graduation，condense ；
[例句] 她多给他加了一勺浓缩奶油。 She gave him an extra scoop of clotted cream.
[例句] 实际上，它是用来将铀浓缩以制造武器。 It was actually used for enriching uranium to weapons-grade levels.
meeting，conference，congress，seance，sergeant at arms ；
[例句] 我们将去伯明翰参加会议，然后马上回来。 We'll go to a meeting in Birmingham and come straight back.
[例句] 俱乐部已经把会议日期改到1月22号，星期六。 The club has moved its meeting to Saturday, January 22nd.
extend，stretch，elongate，rolling out，prolongation ；
[例句] 无论延伸多长，平行线永不相交。 Parallel lines will never meet no matter how far extended.
[例句] 大路一直延伸到维泰博，之后右转通向博尔塞纳。 The main road continues towards Viterbo before turning right to Bolsena.
wrinkle，crease，lines，ruffle，furrow ；
[例句] 她脸上的每条皱纹都讲述了一次痛苦的经历。 Every line etched on her face told a story of personal anguish.
[例句] 他是个脸部轮廓分明、皱纹明显的矮个子男人。 He's a very small man with a lined, craggy face.
tilth，tillage，cultivation，farming，cultivate ；
[例句] 他已在此地生活耕作了46年。 He has lived and farmed in the area for 46 years.
[例句] 中国农民在他们自己的土地上耕作。 Chinese peasants farm their own plots.
foster，train，[生] culture，develop，bring up ；
[例句] 他们将孩子培养成了虔诚的基督教徒。 They brought up their children to be God-fearing Christians.
[例句] 我们听到上面没完没了地讲要在员工中培养一种集体归属感。 We hear endless injunctions to build a sense of community among staff.
动 dare，venture，have the confidence to，be certain；形 （有勇气； 有胆量） bold，courageous，daring，brave；副 [方]（莫非； 怕是） perhaps，probably ；
[例句] 那不是气球，这点我敢肯定。 It wasn't a balloon — I'm certain of that.
[例句] 我敢说你上学时体育很棒。 I bet you were good at games when you were at school.
deviate，diverge，deflect，departure ；
[例句] 一旦你偏离了剧本的内容，他们就会喊停。 They stopped you as soon as you deviated from the script.
[例句] 这是否是原本良好的增长曲线中暂时的偏离？ Was it just a temporary blip on an otherwise healthy growth curve?
spread，extend，stretch，expand，outspread ；
[例句] 最好先伸展一下僵硬的肌肉。 It is better to stretch the tight muscles first.
[例句] 我被要求伸展手臂，收紧胸肌。 I was required to hold out my arms and flex my pectorals.
nation，nationality，volk；
[例句] 他本能的反应会是寻求与民族主义者取得新的和解。 His instinct would be to seek a new accommodation with the nationalists.
[例句] 他们和不同民族的人们一起和睦地生活和工作。 They've been living and working peacefully with members of various ethnic groups.
ductility，plasticity，briquettability ；
[例句] 较低的温度相当于某些煤的塑性温度. The lower temperature corresponds to the plastic temperature of a certain coal.
[例句] 塑性形变和蠕变是很不利的, 回弹性则是有利的. Plastic deformation and creep are highly undesirable, resilience is favourable.
[电] [俗] gen，alternator，dynamo，electric generator，dynamotor ；
[例句] 发电机出了故障，所以停电了。 The dynamo conked out so we've got no electricity.
[例句] 这次行动的代号为“发电机”。 The operation was given the code name Dynamo.
upland，elevation，[军]height，ben，highland ；
[例句] 乌干达美丽的高地是众多野生动物的栖息地。 Uganda's beautiful highlands are host to a wide range of wildlife.
[例句] 我在高地地区出生和长大。 I was born and bred in the highlands.
形 （错误的） erroneous，mistaken；动 （讹诈） extort，blackmail，bluff ；
[例句] 笔迹专家作证该签名无讹. The handwriting expert attested to the genuineness of the signature.
[例句] 一家人全靠他在外面讹个钱,诈个财, 吃点好的,穿点好的, 装门面. The family depended on his ability to wangle a few dollars occasionally . With this money, they would eat well and dress well for a while , making a pretence of affluence.
exhaust gas，discharge gas，waste gas [steam]，flue gas ；
[例句] 那座城市的街道肮脏不堪，弥漫着令人窒息的废气。 The city's streets are filthy and choked with exhaust fumes.
[例句] 肺呼出这些废气被排到空气中。 As the lungs exhale this waste, gas is expelled into the atmosphere.
tow，drag，[中医] traction，draw，draught ；
[例句] 对于腿部骨折有什么方法替代牵引治疗吗？ Is there an alternative to traction for a broken leg?
[例句] 英国电力牵引公司的股票报收于207便士，比报出价格略涨1.5便士。 BET shares closed just above the offer price, up 1.5p at 207p.
outside，external，exterior，surface ；
[例句] 大部分灰尘在有色玻璃的外部。 Most of the dirt was on the outside of the tinted glass.
[例句] 油轮外部金属板覆层破裂的那一瞬间，油开始外溢。 The tanker began spilling oil the moment her outer plating ruptured.
section，segmentation，paragraph，burst，subsection ；
[例句] 这个版本比那个版本分段分得好. This version is better paragraphed than that one.
[例句] 对于许多不同的现场条件,分段施工都能提供美观,颇有魄力的桥型结构. Segmental construction contributes toward aesthetically pleasing structures in many different sites.