They have been treated with this drug in clinical trials.他们已在临床试验中接受过这种药物的治疗。Some have been sentenced to long prison terms after unfair trials.有些人被冤判长期徒刑。Tell me about your clinical trials. How did they go?跟我说说你的临床试验。进展如...
Every year they panned about a ton and a half of gold.每年他们淘出大约1.5吨金子。He panned the camera, giving a sense of motion.他用摄像机移动拍摄，营造一种运动的效果。The camera panned along the line of players.摄像机沿着那排选手移动拍摄。...
Twelve hours is the minimum, sixty hours the maximum.12小时为下限,60小时为上限.He walked two hundred and sixty miles in eight days.他在8天里走了260英里的路。I'm sixty-two. I feel sixty-two, neither more nor less.我现在62岁了，感觉自己也确实到这把年纪了。...
Thus only the metabolizable portions of a feedstuff can provide energy and essential nutrients.因此,只有饲料的可代谢部分可提供能量和必需的养分.Flours contain very small amounts of sugars which are metabolizable by yeast.面粉中一般都含有少量的糖,它们是酵母的代谢产生...