All bitches should be spayed unless being used for breeding.除非是用作种犬，所有的母犬都应摘除卵巢。Warm milk is the ideal breeding ground for bacteria.温牛奶是细菌理想的滋生地。There is potential for selective breeding for better yields.选种培育以提高产量会大有可为。...
...a prize-giving for cattle-breeding.养牛展的颁奖仪式Birth is much,but breeding is more.出身重要,教养更重要。Also needed is more investment in livestock research, such as breeding for hardier animals.同时人们还要加大对家禽研究(例如培育适应性更强的品种)的投资.It...
格雷戈里会采访他们，并会挑动他们彼此相斗。Gregory would interview them, and would play one off against the other.他挑动那两个少年争吵.He instigated the two boys to quarrel.这种气氛不会挑动他象十八岁的孩子般的渴望.Such an atmosphere could not incite in him the cravings of...
Purpose : To analyse the MR manifestations and clinical significance of Empty Sella Syndrome ( ESS ).目的:分析空蝶鞍综合征 ( ESS ) MR表现及临床意义....vast tracts of empty land, much of it contaminated by years of army activity.大片撂荒的土地，其...
The lamb was a puny little thing.羊羔瘦小孱弱。Have grandiose aims but puny abilities, great ambition but little talent.眼高手低, 志大才疏.Antonio was a puny lad, and not strong enough to work.安东尼奥是个瘦小的小家伙, 身体还不壮,还不能干活....
乱蓬蓬的头发和时兴的胡茬都很新潮。Tousled hair and designer stubble are chic.那种房子又时兴起来了。That sort of house is back in fashion.本季又重新时兴较短的衣裙。Shorter hemlines are back in this season....
In micrographics a device for holding a frame, or frames, of microfilm.在缩微图形技术中,用于固定一帧或多帧缩微胶片的装置.In micrographics, a device that enlarges microimages for viewing.在缩微照相技术中, 放大图形以便观察的一种设备....
这是一首老 格兰德庞克 铁路流行歌“火车头”.That song was the old Grand Funk Railroad hit'Locomotion '.庞克运动是历史上最成功的运动之一.The punk movement is one of the most successful movements in history.新唱片《下旋》里面揉合了庞克和重金属两种乐风的虚无主义以及科技摇滚的电子合成器光泽....
My bicycle is not available, and it is being repaired.我的自行车现在不能用, 因为正在修理。Racing was halted for an hour while the track was repaired.修理赛道时车赛中止了1个小时。He had repaired my kettle, and it saved my buying a new one.他把我的水壶修好了, 省得...
Cyclopentanone ethylene ketal was synthesized with I _ 2 as catalyst.以单质碘为催化剂合成了环戊酮乙二缩酮.The effects of reactant mole ratio , catalyst dosage , microwave irradiationtimeyield of cyclohexanone glycol ketal were investigate...