/dɪˈfɪʃnsi ||; dɪˈfɪʃənsɪ/noun (
plural deficiencies)
deficiency (in/of sth) 1 [C,U] the state of not having enough of sth; a lack 缺乏；不足: a deficiency of vitamin C 缺乏维生素C
2 [C] a fault or a weakness in sb/sth 缺陷；缺点: The problems were caused by deficiencies in the design. 这些问题是由设计上的缺点所致的。