S 开头单词
speak for itself 不言而喻
speak for 要求得到；代表…讲话
speak evil of others 摇唇鼓舌
speak evil of 说坏话；诽谤
speak evasively 闪烁其词
speak down to 以居高临下的口吻对某人说话
speak by the book 引经据典
speak by itself 自不待言
speak at chinese university [新闻学与传播学]在中文大学演讲
speak at 指桑骂槐；暗讽
speak ambiguously 隐约其辞
speak about 说到（谈论）
speak English 说英语；讲英语
speak vi. 说话；演讲；表明；陈述 vt. 讲话；发言；讲演
spcctrophotomctry 分光光度法
spcb n.单刀断路器