be careful，take care，heed，keep one's eyes open，notice ；
[例句] 留心一下天气状况。 Take note of the weather conditions.
[例句] 留心看有无抑郁症状。 Look out for symptoms of depression.
abnormal shape，heteromorphosis，heterotype，allotype ；
[例句] 从分析子囊孢子的结果看出,此菌能同亲配合,但很易异型杂交. Ascospore analysis suggested that the fungus is homothallic but will preferentially outcross.
[例句] 每一组同型的再分为亚组,称为同种异型. Each of these isotypes is divided into subgroups called allotypes.
same-phase，in-phase，phase coincidence ；
[例句] 这种作法有时会使复杂的波形畸变, 模糊了同相轴的识辨标志. Such manipulation can sometimes distort complex waveforms, obscuring identification of events.
[例句] 与应变同相的实数部分模量,通常称为储能模量. The real part of the modulus is often called the storage modulus.
translucent，semitransparent，semitransparency，translucence，translucency ；
[例句] 他利用半透明瓷漆绘制出鲜艳生动的图画。 He relied on translucent enamels to produce vivid, glowing pictures.
[例句] 毛玻璃是半透明的. Frosted glass is translucent.
North America ；
[例句] 北美大平原上曾有过7,000万头野牛。 Once there were 70 million buffalo on the plains.
[例句] 她在北美游牧民中生活了十年。 For ten years she dwelled among the nomads of North America.
[免疫] infectivity，infectiousness ；
[例句] 猩红热的接触传染性很强。 Scarlet fever is highly contagious.
[例句] 流感的传染性很高。 Flu is highly infectious.
homogeneity ；
[例句] 这些是均质性更好、光学灵敏度更高的现代材料. These are modern materials having greater uniformity and higher optical sensitivity.
[例句] 他认为该式不能应用到非均质流型. He believes that this equation connot be applied to heterogeneous flow.
名 （上臂和前臂相接处向外面突起的部分） elbow，ancon ；
[例句] 两名男子突然用肘在购物者中挤出一条路。 Two men suddenly elbowed a passage through the shoppers.
[例句] 我把他的饮料放在他肘边的小桌子上。 I placed his drink on the small table at his elbow.
strata，stratification，layering，stacking，stratify ；
[例句] 由任何液体推进剂喷注器所产生的喷雾都存在某些成层现象. Some stratification exists in the spray produced by any liquid propellant injector.
[例句] 极地水域的成层性是微弱而暂时的. Stratification in polar waters normally is weak and transient.
rock mass ；
[例句] 热储岩体的岩石成份各式各样. The reservoir rock can be of various lithological compositions.
[例句] 在靠近交界带上有重要的一连串的含镍橄榄岩(体)的侵入. Near the border zone an important string of nickeliferous peridotites is emplaced.
powdery ；
[例句] 下了数英寸厚的粉状干雪。 A couple of inches of dry, powdery snow had fallen.
[例句] 叶子的表面有黄色斑块，背面则有桔色粉状圆点。 The leaves have yellow areas on the top and underneath are powdery orange spots.
micel，micella，micelle ；
[例句] 当成核过程完了时,溶液中应不再有胶束存在. At the end of the nucleation process micellar soap should no longer be present in solution.
[例句] 介绍了胶束混配络合物的反应特点和形成条件. The formation characteristics and conditionsof micellar mixed ligand complexes are also reported.
lofty mountains，kop ；
[例句] 老人几乎是很高兴地和山岳般的巨浪相搏斗. Almost happily, the old man battles the mountainous swells.
[例句] 他那古老的门阀世家, 历史悠久,名望却比山岳还要高得多. His family is as old as the hills, and infinitely more respectable.
[电] on line ；
[例句] 你可以和其他在线的人聊天。 You can chat to other people who are online.
[例句] 他们可以在线下订单。 They can order their requirements on line.
[无化] soda，natron，sal soda，sodium carbonate decahydrate ；
[例句] 我给你的饮料重加一些苏打水和冰块. I will freshen your drink with more soda and ice cubes.
[例句] 这些是苏打饼干. These are soda biscuits.
presumption，understand ；
[例句] 这位女士称她被降职后被迫离职，属于推定解雇。 The woman claims she was the victim of constructive dismissal after being demoted.
[例句] 人们推定,如此能干的州长会成为一名好总统的. People inferred that so able a governor would make a good president.
transmitter，sender，sending set，X-mitter ；
[例句] 他们测试了这台发射机的发射范围. They tested the range of this transmitter.
[例句] 只要在发射机中存在调制信号, 就含有旁频带出现. When there is a modulated signal from transmitter, there are side bands.
ordnance，armament ；
[例句] 核武器将来在北约的军械中会起较次要的作用。 Nuclear weapons will play a less prominent part in NATO's armory in the future.
[例句] 这位军械长的性格表现出 “ 一种服从本能的堕落. ” The Master - at - Arm's character shows " a depravity according to nature ".
名 curtain，同“账” [zhàng]，account，account book，canopy ；
[例句] 财务主管由于试图窜改公司财政帐目而被拘留. The treasurer was arrested for trying to manipulate the company's financial records.
[例句] 代管汽车分期付款的到期帐目是当今一桩巨大的业务. Factoring in connection with automobile installment accounts is a big business today.
step-by-step ；
[例句] 步进马达驱动器在输出设备中排在首位. Stepper motor drivers head the list of output devices.
[例句] 可以实现分频和指定步进的计数. Can be achieved at the specified frequency and step count.