生物班的学生研究了果蝇的繁殖.The biology class studied the generation of fruit flies.射线对于果蝇的遗传产生强烈的作用.Radiation has a strong effect on the heredity of fruit flies.果蝇的一种实验品系,翅膀缩小,称为残翅.One laboratory stock of Drosophila melanogaster has...
With an election looming, he has little room for manoeuvre.随着大选临近，他几乎没有什么回旋的余地了。High stone walls topped with snaky concertina wire, set off at intervals by looming guard towers.顶部装着蛇腹式铁丝网的高高的石墙, 被渐渐隐现的哨塔隔开.Another govern...
What mixed weather, now fine , now showery!多难捉摸的天气, 时晴时雨!Spring is showery, flowery, bowery.春天雷雨阵阵, 百花吐艳, 树荫宜人.What strange weather , now fine , now showery!天气真怪, 一会儿晴,一会儿下雨!...
她穿了一条厚厚的格子呢裙和一件红色羊绒衫。She wore a thick tartan skirt and a red cashmere sweater.我穿着一件带有白色蕾丝花边的格子呢睡衣。I am wearing a plaid nightgown trimmed with white lace.达尔弟头一天夜里就赶到纽马开, 穿了一身整洁的格子呢衣服.Dartie, who had travelled to Newmarket...