| 例句 |
This may not be a valid conclusion - we haven't tested it thoroughly yet.这个结论可能还缺乏根据，我们尚未对其进行过全面的检验。People who are undernourished also lack reserves of energy when faced with physical or mental crises.营养不良的人在体力或脑力上出现紧急情况时还缺乏足够的能量储备。He plays well but still lacks the killer instinct.他球打得很好，不过还缺乏杀气。 |