词汇精选:speech的用法和辨析答:一、详细释义: , n. , 说话,谈话;言语 [C] , 例句: ,She faltered in her speech.,她说话结结巴巴。, 例句: ,Poverty of speech is the ouard evidence of poverty of mind.,语言贫乏说明头脑空虚。, 说话能力 [C] , 例句: ,Helen Caller was without sight, hearing, or speech,...
词汇精选:research的用法和辨析答:一、详细释义: , n. , (学术)研究,调查,探究 [U] , 例句: ,The search for a new vaccine took priority over all other medical research.,在各种医研究中,应首先解决寻找新疫苗的问题。, 例句: ,She's doing cancer research.,她在从事癌症研究。, v. , 作学术研究,调查,探究(...