insufficient
US /ˌɪn.səˈfɪʃ.ənt/
UK /ˌɪn.səˈfɪʃ.ənt/

形容词
1.
不足的, 不够的
not enough; inadequate
示例:
•
There was insufficient evidence to convict him.
证据不足以给他定罪。
•
The food supply was insufficient for the growing population.
粮食供应不足以满足不断增长的人口。
在 Lingoland 学习这个单词
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