I 开头单词

in seeming earnest 煞有介事

in seed （指植物）在结籽期

in security for 作为…的担保

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. 任何时候；无论如何；一年到头

in season 应时的；当令

in search of sunrise

in search of santa

in search of 寻找；搜寻

in search for 寻求；寻找

in score adv. 用总谱

in school 在求学

in scale 依比例

in salt 撒了盐的；盐腌的

in sail 张着帆

in safety 安全地；平安地；处于安全地区

in safe custody

in sad earnest 一本正经地 十分严肃地