to make a contribution to charity给慈善事业捐款We must make a contribution to protecting the environment.我们必须为保护环境作出贡献.We should make a contribution to keeping our school clean and tidy.我们应当为保护校园整洁、卫生做贡献....

today的音标：today的英式发音音标为：[tə'deɪ]today的美式发音音标为：[tə'de]...

stone的音标：stone的英式发音音标为：[stəʊn]stone的美式发音音标为：[stoʊn]...

hypereutectoid的音标：hypereutectoid的英式发音音标为：[haɪpərjʊ'tektɔɪd]hypereutectoid的美式发音音标为：[haɪpərjʊ'tektɔɪd]...

警报器...

abductor的音标：abductor的英式发音音标为：[æb'dʌktə(r)]abductor的美式发音音标为：[æb'dʌktɚ]...

磁粘性...

barton的音标：barton的英式发音音标为：['bɑ:tən]barton的美式发音音标为：['bɑtən]...

The programmer forms the heart of the process chromatograph.程序控制器是色谱仪的关键部件.The technique is known as adsorption chromatograph.这种分析技术称为吸附色谱.Figure B shows a scheme of a mass spectrometer coupled to a gas chromatograph.B是气...

Even the most gifted can have confidence destroyed by the wrong instructor.即使是最有天赋的人也可能会被错误的导师摧毁自信。His sailing instructor fell overboard and drowned during a lesson.他的航海教练在一次训练课时从船上失足跌入水中，溺水身亡。Her instructor plugged live...

色素细胞瘤...

There were gangs of kids on motorbikes roaming around.过去有成群结队的年轻人骑着摩托车四处游荡。Cars and motorbikes had churned up the field.汽车和摩托车在地上留下了一道道车辙."They're slow, heavy and cost a fortune."— 'So how have these motorbikes...

get-together的复数形式为：get-togethers...

The Sioux had always fought other tribes for territorial rights.苏人总是为领地权与其他部落作战。Two cats or more in one house will also exhibit territorial behaviour.一家若有两只或更多的猫，也会表现出争夺地盘的行为。The President spoke of the need for territori...

stockpile的第三人称单数（三单）为：stockpiles...

This wet area also attracts frogs, toads and newts.这片潮湿地区也吸引了青蛙、蟾蜍和蝾螈一类的生物。Toads have shorter legs and are generally clumsier than frogs.蟾蜍的腿比青蛙短,而且通常比青蛙丑.Ten tiny tortoises tried to talk to twenty timid toads.十个瘦小的乌龟试着和...

autoionization的音标：autoionization的英式发音音标为：[ɔ:tɔɪɒnaɪ'zeɪʃn]autoionization的美式发音音标为：[ɔtɔɪɒnaɪ'zeɪʃn]...

inspector的音标：inspector的英式发音音标为：[ɪn'spektə(r)]inspector的美式发音音标为：[ɪn'spɛktɚ]...

antonyms的音标：antonyms的英式发音音标为：['æntənɪmz]antonyms的美式发音音标为：['æntənɪmz]...

n.玩具，玩物，小装饰品，无实用价值的东西vi.玩弄，不认真地考虑adj.玩具的，作玩具的，个头很小的，小体型品种的...

The president’s speech was seen as a conciliatory gesture towards former enemies.总统的讲话被看作是与昔日的敌人修好的表示。The next time he spoke he used a more conciliatory tone...他再次开口时使用了更具安抚性的语气。They approached the talks in a conciliator...

n.脐...

touch的第三人称单数（三单）为：touches...

n.逃兵，背叛者...

Some individuals are naturally good communicators.一些人天生善于交流沟通。Abstract: The aero inner communicators are main equipments of airplanes.摘要: ××系列机内通话器是装备我国××系列飞机的主要设备.Effective communicators are also capable of observing an...

n.关节切除术，关节截除术...

Lack of sleep is a major factor in loss of libido.睡眠不足是导致性欲丧失的一个主要因素。Analyses effect construction of set of droppers precision factor thus line, temperature, wire, manufacture, installation.分析了影响整体吊弦施工精度的因素,包括线路情况 、 环境温度...

神经节细胞瘤...

metoxyphenol的音标：metoxyphenol的英式发音音标为：[me'tɒksi:fɪnɒl]metoxyphenol的美式发音音标为：[me'tɒksifɪnɒl]...

Inventors are now working on steam cars as well as electric cars.发明家正在研制蒸汽汽车和电子汽车.Inventors everywhere were scrambling to build motorized vehicles.世界各地的发明家都在争先恐后地来造机动车辆.Thomas Edison was one of the greatest inventors in ...