lack substance例句翻译_写作句库

lack substance

1.a chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B-12).

老年人的一种慢性发展的贫血症。收藏指正

2.A protein or other antigenic substance present in only some members of a species and therefore able to stimulate antibody production in those members that lack it.

同种抗原；同族抗原一种蛋白质或其它的抗原物质，只存在于一个物种的一些成员体内，因而能刺激缺乏它的那些成员产生抗体收藏指正

3.The need for de addiction from substance abuse by street children, the lack of appropriate services and significance of de addiction for an eventual reduction in risk behaviour related to crime on the streets, underlined the urgent need for intervention.

街头儿童戒除毒瘾的需求，必要的社会服务的缺失，通过戒除毒瘾最终减少街头犯罪的重要性，突显了干预的必要性。收藏指正

4.Study on Application of Taurine in Laying HensTaurine, a bioactive substance, was separated from bile in 1827. Scientists think that taurine is the end product of sulfur amino acid metabolism, Hayes found that kitten retina was lost to blind, because of lack of taurine in 1975.Chinese and foreign scientists go deep into research of physiological action of taurine.

牛磺酸是从牛胆汁中分离出来的一种生物活性物质，一直以来人们都认为牛磺酸是机体内含硫氨基酸的无功能代谢产物，自从Hayes在1975年发现幼猫体内因为牛磺酸缺乏而造成视网膜退化，并最终导致幼猫失明后，国内外学者才开始对牛磺酸的营养生理功能进行深入的研究。收藏指正

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lack substance