be deficient in
英 美
不够
... [raise slightly] 身体的全部或上部向前微倾,以表达敬意 [be deficient in;be short of] 不够;短缺 [shortcoming] 缺点,不足之处 ...
欠缺
... 赤字 deficit 欠缺 be deficient in; be short of ... 不敷，亏空(额)，赤字 deficit ...
缺乏
...bsence/ insufficiency/ scarcity of = Be lack of/be short of/ be deficient in/ be in need of (严重地/明显地/相对地) 缺乏··· Be a hurdle to/ be a hindrance to/ be a barrier to 阻碍··· ..
则是具体或明确地指出
3.be deficient in则是具体或明确地指出、说明在某方面缺少或不足。例如:
They believe such a diet which includes no products from animal sources can be deficient in many of the necessary vitamins and minerals our bodies need.
他们认为，这样的饮食不包括任何动物来源的产品，会缺乏我们身体所需的许多必要的维生素和矿物质。
Briefly, Kant argued that to lack existence is not to be deficient in a property.
简单地说，康德认为，缺乏存在是不可缺乏的一财产。
You are statistically more likely to be deficient in certain micronutrients, even if you eat a healthy diet.
对糖友们来说，即使有着健康的饮食习惯，也可能仍然缺乏某些特定的营养成分。
