eugenics什么意思解释？

eugenics的音标：eugenics的英式发音音标为：[ju:'dʒenɪks]eugenics的美式发音音标为：[ju'dʒɛnɪks]...

Eugenics has a biological significance.优生学具有生物学上的意义.A distinction is often made between " positive " and " negative " eugenics.对 “ 积极 ” 优生学和 “ 消极 ” 优生学往往加以区分.An example of negative eugenics would be the attempt to eradic...

Adjust the heat of the barbecue by opening and closing the air vents.通过开关气阀来调节烧烤架的温度。He always vents his anger on the dog.他总是拿狗出气.Paul Fussell's latest book vents his spleen against everything he hates about his cou...

“蓬勃”的英语可以翻译为：vigorous，flourishing，exuberant，thriving，flourish ...

卡洛夫阶...

The boat wallowed helplessly in the stormy sea.那艘船在波浪滔滔的大海中无力地颠簸行驶.She watched helplessly as her husband was dragged away.她眼睁睁地看着丈夫被拉走了。Cross-currents can sweep the strongest swimmer helplessly away.即使最强壮的游泳者也会无助地被交叉水流冲走...

那顿饭简直是敲竹杠。That meal was a real gyp.买房时他向她敲竹杠.He did her down over selling the house.一杯咖啡要二英镑,真是敲竹杠.A charge of ￡ 2 for a cup of coffee is daylight robbery....

slavish copy的音标：slavish copy的英式发音音标为：['sleɪvɪʃ 'kɔpi]slavish copy的美式发音音标为：['slevɪʃ 'kɑpi]...

...the raucous cries of the seabirds.海鸟喧闹的叫声The island is covered with seabirds.岛上到处都是海鸟。Oil pollution is the commonest cause of death for seabirds...石油污染是造成海鸟死亡最常见的原因。The seaside fish market is a ready food supply for s...

discussive的音标：discussive的英式发音音标为：[dɪs'kʌsɪv]discussive的美式发音音标为：[dɪs'kʌsɪv]...

celebrity的复数形式为：celebrities...

intitle的音标：intitle的英式发音音标为：[ɪn'taɪtl]intitle的美式发音音标为：[ɪn'taɪtl]...

bottom的复数形式为：bottoms...

“加价”的反义词：减价。...

epidemical的音标：epidemical的英式发音音标为：[ˌepə'demɪkl]epidemical的美式发音音标为：[ˌepə'demɪkəl]...

Aircraft production continued to plod along at an agonizingly slow pace.飞机制造业仍旧举步维艰，发展速度之缓很让人头疼。They had to plod wearily on up the hill.他们不得不迈着疲倦的步子登上山.to plod through mud在烂泥里吃力地走He was destined to plod the path of toil....

n.费用，花费的钱，消耗，花钱的东西vt.向…收取费用，把…作为开支勾销...