The weakness is caused by a deficiency of Vitamin C.
这种衰弱是由于缺乏维生素C而引起的。
Feed prawns with mixture of feedstuffs, can avoid prawn disease caused by deficiency of Vitamin c.
平时拌料投喂，可避免缺乏维生素c所造成的对虾病害。
A disease caused by deficiency of vitamin c, characterized by spongy and bleeding gums, bleeding under the skin, and extreme weakness.
一种由于缺少维生素c引起的疾病，症状为多孔的和爱流血的牙床，皮下出血和极度虚弱。
Scurvy (N. Lat. scorbutus) is a deficiency disease that results from lack of vitamin C, which is required for correct collagen synthesis in humans.
维生素C又称坏血酸是人类营养中所需要的最重要的维生素之一，缺乏维生素C会产生坏血病。
Scurvy (N. Lat. scorbutus) is a deficiency disease that results from lack of vitamin C, which is required for correct collagen synthesis in humans.
维生素C又称坏血酸是人类营养中所需要的最重要的维生素之一，缺乏维生素C会产生坏血病。
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