a.
不足的,不充分的,有缺陷的
不足的,不充分的,有缺陷的
名 词:defi'cient
副 词:defi'ciently
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- In sheer numbers, iron is the most prevalent micronutrient deficiency, with nearly 1990 million people being anemic and 3600 million iron- deficient.
缺铁是微量元素缺乏症最常见的一种病,有近19.9亿人患贫血,有36亿人缺铁。收藏 - One who is regarded as deficient in judgment, sense, or understanding.
蠢人,白痴被认为缺乏判断、感觉或理解力的人收藏 - Because no tillage and minimum tillage reduce erosion and concentrate nutrients in the surface soil just below the residue cover, micronutrients generally are less often deficient than under conventional tillage.
由于少耕和免耕减少了水土流失,同时把养分富集在植物残茬覆盖下的土壤表层,所以,与传统耕作制相比,少耕和免耕一般不易发生微量元素的缺乏。 收藏 - The UN estimates that nearly 800 million people around the world are undernourished. The effects are devastating. ABout 400 million women of childbearing age are iron deficient, which means their Babies are exposed to various Birth defects.
联合国估计,世界上有近8亿人口营养不良。它产生的效应是破坏性的。大约有4亿的育龄妇女体内缺铁,也就是说,她们的婴儿将可能有各种天生的缺陷。 收藏 - Not adept at reading and writing; deficient in the knowledge that can be acquired from books.
没有学识的在阅读和写作上不娴熟的;缺乏能从书本上获得的知识的 收藏
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