Spacelab宇宙空间实验室 Sub-Ledger明细账 Success/Leadership (Toastmasters Program)成功领导(演讲会的程序) Sick Leave (USACE)USACE病假 Solid-to-Liquid (ratio)Solid-to-Liquid(率) Speech and Language (Therapy; education)语言(教育)的治疗 Short and Long (Canada Post)短期和长期(加拿大) System/Look-up Table查表的制度 SearchLightn. 探照灯 sucrase to lactase(ratio)蔗糖酶与乳糖酶比率