Begonias are prized equally for their flower as well as their showy leaves.海棠花之所以得到很高的赞赏也有它漂亮叶子的功劳.A flock of sheep had got into the garden and trampled down his begonias.一群羊闯进了花园,踩倒了他的秋海棠.Begonias, geraniums and clods o...
Explain why barium forms peroxide but beryllium does not.解释为什么钡能形成过氧化物而铍则不能。However the toxic properties of beryllium limit its application.然而铍的毒性限制了它的作用.Toxicity problem in manufacturing and storage might be alleviated ...
Athletics'anti - dope campaigners are faced with a credibility problem.田径运动的 反 兴奋剂倡道者面临信誉问题.to dope a horse给马注射麻醉剂Athletics’ anti-dope campaigners are faced with a credibility problem.田径运动的反兴奋剂倡道者面临信誉问题。The media pe...
He gave money to the World Health Organisation to help defeat smallpox.他向世界卫生组织提供资金以帮助消灭天花。In 1742 he suffered a fatal attack of smallpox.1742年,他染上了致命的天花.A new outbreak of smallpox occurred in 1928.1928年爆发了新一轮的天花....
...a voyage down Chile's indented coastline.沿智利参差曲折的海岸线行进的航行In the left side, beginning with the apse, Argentina, Brasil, Chile and Mexico are represented.在左侧, 从半圆壁龛起, 有阿根廷 、 巴西 、 智利和墨西哥的标志.Includes the population o...
She caught the insect by inverting her cup over it.她用杯子扣住了那只昆虫.He started out inverting 2,000,000, but eventually invested only 200,000.他们开始打算投资200万, 可是后来只有20万.Level - shifting or polarity inverting circuitry must be emp...