记忆方法
双解例句
小知识
Deficient means not enough or not adequate. Maybe you were deficient in caffeine that day. Maybe you were lacking in study time. But no doubt about it: you came up with a deficient number of correct answers on the physics test.
If your new car fund remains deficient, you don't have enough money to buy a new car. This presents a problem if your current car is deficient in some way — say, it no longer has enough engine power to drive up a hill. You may not feel you have what it takes to get a job, but the reality is you will have to choose between indulging your own deficiencies in this area or the car's.
实用短语
常用短语
词根词缀
词根: fici
=do,make 表示”做,制作”
adj.
deficient 缺乏的, 不足的, 不完善的de去掉+fici做,制作+ent……的→做得不够的→不足的
efficient 有效的,效率高的;有能力的,能胜任的ef出+fici做,制作+ent……的→能做出事来→有效的
proficient 精通的;熟练的pro前面+fici做+ent……的→做在[别人] 前面→精通
n.
proficiency [in]熟练,精通proficient[[adj.精通的;熟练的]]→n.[in]熟练,精通
同义词
missing / needing / incomplete / wanting / lacking
lacking / incomplete / insufficient / wanting / inadequate / imperfect / missing / defective / destitute
反义词
sufficient / enough / ample / plentiful / full
enough / adequate / plenty / sufficient / ample