I 開頭單詞
in seeming earnest 煞有介事
in seed （指植物）在結籽期
in security for 作為…的擔保
in security 安全地
in secret 秘密地；私下地
in secrecy 秘密地
in season and out of season adv. 任何時候；無論如何；一年到頭
in season 應時的；當令
in search of 尋找；搜尋
in search for 尋求；尋找
in score adv. 用總譜
in school 在求學
in scale 依比例
in salt 撒了鹽的；鹽腌的
in sail 張著帆
in safety 安全地；平安地；處于安全地區(qū)
in sad earnest 一本正經(jīng)地 十分嚴肅地