约翰尼·沃里克在亚拉巴马州有个养猪场。Johnny Warrick has a hog farm in Alabama.可是, 现在英格兰 、 苏格兰 、 丹麦、瑞典都有这种户外型养猪场.Still, outdoor herds are found in England, Scotland, Denmark and Sweden.一次参观某集体农庄养猪场, 发现一头病歪歪的小猪.See some collective grange fa...
GC analytical method for o - chlorotoluene in the workplace air using sampling by charcoal tube was studied.研究炭管采集空气中邻 - 氯甲苯的气相色谱分析方法.Taking p chlorotoluene as raw material , 2,4 Dichlorotoluene was synthesized via catal...
A section of Astro Turf in an otherwise desert landscape.拉斯维加斯的沙漠风情.Painted desert landscape is uniquely different from other places.色彩鲜丽的沙漠景致是截然不同于其他地方的.Uplift and erosion at last produced the desert landscape we see to...
In the autumn of 1940 London was blitzed by an average of two hundred aircraft a night.1940年秋，伦敦平均每晚遭到200架飞机的空袭。They blitzed the capital with tanks, artillery, anti-aircraft weapons and machine guns.他们动用坦克、大炮、防空武器和机关枪奇袭了...
这种植物是耐寒的一年生植物.The kind of plant is a hardy annual.耐寒的植物经受住了严冬的考验.The hardy plant lived through the cold winter.他既有耐寒的本领, 还有顽强的生命力.He established the ability to cold, as well as indomitable vitality....