a diet deficient in iron 缺铁质的日常饮食
be deficient in 不够 ; 欠缺 ; 缺乏 ; 则是具体或明确地指出
deficient in order or neatness 不整洁的
deficient in active properties 行动迟钝的
deficient in courage 没有足够的 ; 缺乏勇气的
to be deficient in sth 匮乏 ; 匮缺
Soils are most commonly deficient in nitrogen and phosphorus.
土壤最经常缺乏氮和磷。
Some soils are notoriously deficient in micro nutrients and are therefore unable to support most plant life.
有些土壤是出了名的缺乏微量营养,因此无法支持大多数植物的生命。
So-called serpentine soils, for example, are deficient in calcium, and only plants able to tolerate low levels of this mineral can survive.
例如,所谓的蛇形土壤缺乏钙,只有对低水平的这种矿物质耐受的植物才能生存。
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