musical sound，tone，musical tone ；
[例句] 琴键是钢琴上用手指敲击的部件,它能使钢琴发出乐音. A key is the part of a pianoforte that you touch to make music.
[例句] 它们可以是5个乐音 ( 5声音阶 ),也可是6个乐音 ( 6声音阶 ). These may be five - tone ( pentatonic ) or six - tone ( hexatonic ) scales.
tragic event，tragedy，calamity，tragic ；
[例句] 她需要借助医学治疗和心理咨询来克服惨剧带来的影响。 She will need medical help and counselling to overcome the tragedy.
[例句] 泳队的队员为了阻止惨剧延续,开始了壮烈的战斗. The swimming team the challenge to and begins the fierce battle.
need not，not have to，unnecessary ；
[例句] 索恩整理着一些本无须整理的文件，沉默还在延续。 The silence lengthened as Thorne unnecessarily shuffled some papers.
[例句] 毛孔无须放大就可以看见。 Pores are visible without magnification.
rolling chair，wheel chair，wheelchair，[电影]El cochecito；
[例句] 任何地板上经常有轮椅走动几乎都会有所磨损。 Constant wheelchair use will scuff almost any floor surface.
[例句] 现在的他四肢麻痹，只能呆在轮椅上。 He is now quadriplegic and confined to a wheelchair.
witness，testimony ；
[例句] 他那本带有精美插图的书见证了他对大学的热爱。 His beautifully illustrated book well attested his love of the university.
[例句] 他是人能迅速变瘦的活见证. He is walking proof that people can lose weight quickly.
look far into the distance，overlook ；
[例句] 他叹口气，转身远眺大海。 He sighed, turning away and surveying the sea.
[例句] 马蒂·利斯站在房间里,透过玻璃拉门向外远眺. Martin Liss stood in the room looking north through the sliding glass doors.
retain freshness ；
[例句] 覆上保鲜膜，冷藏24小时。 Cover with plastic film and refrigerate for 24 hours.
[例句] 只需把它们装进保鲜袋，在冰箱里储存一天即可。 Simply put them into a polythene bag and store them in the freezer for a day.
rifle，[俚] vandook，[美俚] barndook，musket，musketry ；
[例句] 他们刚离开，扛着步枪的士兵们就到了。 Scarcely had they left before soldiers arrived armed with rifles.
[例句] 他们持有的步枪、机枪、地雷和催泪弹数量惊人。 They possess a formidable arsenal of rifles, machine guns, landmines and teargas.
field of vision [view]，outlook，eyereach，horizon，scope ；
[例句] 保持眼界开阔，持续向前，你会找到想要的一切。 Keep your eyes open and your feet moving forward. You'll find what you need.
[例句] 教育和经历使他眼界开阔. Education and experience breed a breadth of vision and understanding to him.
secret agent，spy，stool pigeon，undercover man，agent provocateur ；
[例句] 普伦蒂斯看见戈斯走在密探身后。 Prentice saw Goss fall in behind the informer.
[例句] 密探可能会力求败坏反对派的名声。 Agents provocateurs may seek to discredit the opposition.
steam engine，steamer ；
[例句] 谁发明了蒸汽机？ Who invented the steam engine?
[例句] 谁发明了蒸汽机? Who invented the steam engine?
plugging ；
[例句] 对不同渗透性的砂层及岩心,均具有较好的封堵效果. It is suitable to the sand beds and cores with various permeabilities.
[例句] 封堵旅客使用的马车路是违法的. It is illegal to block any traveled wagon road.
time division；
[例句] 战斗在傍晚时分打响，持续了一夜。 The fighting began in the late afternoon and continued all night.
[例句] 黎明时分，我把他叫醒，告诉他我们要走了。 At dawn I woke him up and said we were leaving.
thus，thereby，thereupon then，so then，accordingly ；
[例句] 利率有望早日下调，从而增强了人们的信心。 Hopes of an early cut in interest rates bolstered confidence.
[例句] 大火当时有可能把货船上的油罐烧漏了，从而引燃原油。 Fire may have breached the cargo tanks and set the oil ablaze.
use，usage，direction ；
[例句] 务必按厂家的用法说明使用。 Always follow the manufacturer's instructions.
[例句] 用法说明还算简单易懂。 The instructions are reasonably straightforward.
welt，whip scar，lash mark，wale，weal ；
[例句] 抽打后皮肉上隆起的痕; 鞭痕. A ridge on the flesh raised by a blow; a welt.
[例句] 我看到鞭痕从他背上隆起. I saw weals raise on his back.
[物] ripple ；
[例句] 涟波电流应被保持在15% ( PP ) 以下. Ripple current should be kept below 15 % ( PP ).
[例句] 进入宇宙之内在外振动经过你的生命和水波一般涟波的新的振动频率. There is a new pulsing frequency that thrills through your being and ripples out into cosmos.
do one's best to，strive to，do one's best，strive ；
[例句] 他们力求把开发周期缩至18个月以下。 They aim to cut production lead times to under 18 months.
[例句] 密探可能会力求败坏反对派的名声。 Agents provocateurs may seek to discredit the opposition.
porticus，portico，antium，colonnade，stoa ；
[例句] 小教堂入口处宽敞的柱廊相当壮观. A large portico provides a suitably impressive entrance to the chapel.
[例句] 这条柱廊将带你离开宫殿和游戏。 This colonnade will take you out of the palace and the game.
（牌类娱乐用具） mahjong，[电影]Mahjong；
[例句] 她知道她的母亲至少还要打四圈麻将. She knew that her mother was good for at least four games of mahjong.
[例句] 校董麻将游戏现在常常举办展览和比赛. The governing bodies of Mahjong now often host exhibition games and tournaments.