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。
Look at line number four, which is so clearly -- simply by looking at this, you can tell it's deficient in the number of syllables.
看第四行,显而易见--单单看一眼,就能看出它的音节数不够。
The plants can be deficient in certain things, especially fat soluble vitamins that come from meat and from essential amino acids.
植物中缺乏某些物质,特别是脂溶性维生素,那些只能从肉类和必需氨基酸中获得
All four of these hydrogens are electron-deficient in the same manner.
四个氢都是,以相同的方式缺电子。
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