The aphid is now laying waste to the wheat and barley fields.蚜虫正在毁掉一片片的小麦和大麦田地。Since aphid population may become resistant to organophosphorus compounds, avoid excessive spraying.因为蚜虫类对有机磷化物能产生抗性, 所以要避免过多的喷洒.Aphid count ...
大自然最让人惊叹的是它的无限多样性。The most amazing thing about nature is its infinite variety.他对大自然怀有一种极为纯粹的乌托邦式看法。His was a utopian vision of nature in its purest form.他开始享受大自然之美。He was beginning to enjoy the beauties of nature....
Thousands of volts surged through his car after he careered into a lamp post, ripping out live wires...他的车猛地撞到灯柱上，扯断了带电的电线，数千伏高压电流骤然通过车身。If gamma particles are present, potential differences of several thousand volts can...
Objective To study the factors related to early subclinical diabetic cardiopathy ( ESDC ).目的探讨亚临床期糖尿病性心脏病相关因素,以采取有效的防治对策.The work is important for quantitative diagnosis of cardiopathy by computer.本文的工作对于计算机定量诊断心血管疾病,具有较...
In August 1935 , we began our march across the marshy grassland.1935年8月, 我们开始过草地.The surrounding land is low and marshy.周围的地低洼而多沼泽.The river Till strained among some score of willow - covered, marshy islets.铁尔河蜿蜒在几十个长满了柳...
He pointed to a chair, signalling for her to sit.他指着一把椅子，示意她坐下。Private polls and embassy reports pointed to a no vote.私人民意调查和使馆报告表明投票结果将会是否决。He pointed at me with the stem of his pipe.他用烟斗柄指着我。...