S 开头单词
speak for itself 不言而喻
speak for 要求得到；代表…講話
speak evil of others 搖脣鼓舌
speak evil of 說壞話；誹謗
speak evasively 閃爍其詞
speak down to 以居高臨下的口吻對某人說話
speak by the book 引經據典
speak by itself 自不待言
speak at chinese university [新聞學與傳播學]在中文大學縯講
speak at 指桑罵槐；暗諷
speak ambiguously 隱約其辤
speak about 說到（談論）
speak English 說英語；講英語
speak vi. 說話；縯講；表明；陳述 vt. 講話；發言；講縯
spcctrophotomctry 分光光度法
spcb n.單刀斷路器