principle，fundamental，principia，tenet ；

[例句] 非暴力和忍耐是他们的信仰的核心原则。 Non-violence and patience are the central tenets of their faith.

[例句] 对工人的裁员原则是“后进先出”。 Workers will go on a "last in, first out" basis.

crymic，xerophorblum，cold desert，tundra ；

[例句] 北极冻原是指北极点周边的地区,是世界最高的地方. The arctic tundra is at the top of the world around the North Pole.

[例句] 冻原天鹅的北美洲亚种,以其柔和的鸣叫著名. North American subspecies of tundra swan having a soft whistling note.

plaintiff，complainant，prosecutor，accuser ；

[例句] 原告和被告你来我往，互相指责。 The prosecution and defense were bandying accusations back and forth.

[例句] 原告唯一的证人嗜赌成性，游手好闲，其证词一下子就被推翻了。 The plaintiff's sole witness, a gambler and layabout, was easily discredited.

raw and processed material，raw stock，raw material，semifinished material ；

[例句] 我们进口原材料和能源，主要出口工业产品。 We import raw materials and energy and export mainly in-dustrial products.

[例句] 取材自同一原材料意味着啤酒的口味始终如一。 Taking ingredients from the same source means the beers stay the same.

original，former，so，turn out to be，formerly ；

[例句] 原来，他租住的那栋建筑是一座教堂。 The building he was lodged in turned out to be a church.

[例句] 原来的居民可能会认不出这个崭新的城镇了。 The new town would have been unrecognisable to the original inhabitants.

[数] origin，base point，original point ；

[例句] 根据定理4.3的推论, 原点是渐近稳定的. By the corollary to Theorem 4.3, the origin is asymptotically stable.

[例句] 从原点至无穷远处的曲线起分支割痕的作用. Curves running from the origin to infinity may serve as branch cuts.

former，original，formerly，originally ；

[例句] 原先苹果酒里的任何杂质在蒸馏后都会凸现出来。 Any faults in the original cider stood out sharply after distillation.

[例句] 这辆轿车比原先的车型短了约40毫米。 The car is some 40mm shorter than its predecessor.

[遗] protospecies，stock，stock culture，breeder seed ；

[例句] 现代猫的直系原种是古埃及的卡菲尔猫。 The direct ancestor of the modern cat was the Kaffir cat of ancient Egypt.

[例句] 自养突变体是从同株同核融合类群的6个不同的原种菌系制备的. Autotrophic mutants were prepared from six different stocks of the homoictic group.

anlage，blastema，[胚] primordium ；

[例句] 事实上,产生原基的倾向,有时的确是这样遗传的. A mere tendeney to produce a rudiment is indeed sometimes thus inherited.

[例句] 在胚胎发育11期,胸腺原基内出现前淋巴细胞. The pro lymphoid cells located in thymus at stage 11.

original manuscript，master copy，（初刻本） a copy of the first edition，（翻译所根据的原书） the original，born ；

[例句] 经济萧条只不过加速了原本就在改变行业状况的变化。 Recession has simply accelerated changes that have been reshaping the industry anyway.

[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?

atom(ic) bomb，A-bomb，citybuster ；

[例句] V2火箭并非普通武器：它只能用于对付城市。原子弹也是这样。 The V2 was not an ordinary weapon: it could only be used against cities. Likewise the atom bomb.

[例句] 一颗原子弹能摧毁一座城市。 An atom bomb would destroy a city.

archenteron，primitive gut，celenteron，archenteron archigaster ；

[例句] 细胞的这种向里推进标志着原肠胚形成的开始. This pushing - in of cells marks the start of gastrulation.

[例句] 外胚层囊胚的外层,在原肠胚形成之后生后外胚层组织. The outer layer of a blastula that gives rise to the ectoderm after gastrulation.

manuscript，original pattern，original manuscript，master copy ；

[例句] 原稿已经寄给印刷厂了。 The manuscript had already been sent off to the printers.

[例句] 采访记录原稿后来丢失了。 The original interview notes were subsequently lost.

script，original，original copy (document)，master copy ；

[例句] 仍可以由原件复印出无数份副本来。 An unlimited number of copies can still be made from the original.

[例句] 我将把原件邮寄给你。 I'll send the original to you by post .

open country，champaign，field，weald ；

[例句] 他熟练地左一拐右一拐地绕过深沟，穿过了原野。 Expertly he zigzagged his way across the field, avoiding the deeper gullies.

[例句] 原野起伏，景色宜人。 The countryside undulates pleasantly.

(original) text，the original，master copy，original text ；

[例句] 原文的转写本早在1960年就可获取。 The transcriptions of the text were available as early as 1960.

[例句] 这位演员装腔作势地开始引用莎士比亚的原文. The actor, striking an attitude, began to quote Shakespeare.

[海] ice field，firn，neve ；

[例句] 本片情节从冰原时期结束时描述起. The plot of this movie begins when the Ice Age ends.

[例句] 今年四月,请您一路滑进戏院,好好欣赏《冰原历险记2》. Slide into a theater to watch Ice Age 2: The Meltdown this April.

meaning，original intention ；

[例句] stanza（诗节）的原意为“房间”。 A stanza is, literally, a room.

[例句] 译文不切原意. The translation does not quite correspond to the original.

mine-run，green-ore，run-of-mine，crudes ；

[例句] 从1996年开始, 尾矿已堆存到一露天矿坑里,坑内处置是在原矿开采后的场地重新堆放矿山废弃物. Since 1996, tailings have been deposited in a mined - out pit.

[例句] 地下有很多资源,当被开采出来后, 我们称之为“原矿” When many minerals underground are mined, we called them raw ores.

archespore，archesporium ；

[例句] 孢原细胞处于珠心表皮之下, 直接起大孢子母细胞的功能. A single archesporium differentiates immediately below the nucellar epidermis, it functions directly the megaspore mother cell.

[例句] 孢原细胞位于珠心表皮之下, 直接起大孢子母细胞的功能. The ovule is bitegminous archesporial cell locates under the nucellus epidermis, which develops into functional megasporocyte.