simplecut单切simpleadj.简单的；朴素的；单纯的；笨的simple future tense一般将来时simple separability单纯可离simple acute iritis单纯性急性虹膜simple osseous crus骨半规管单脚simple articulation单关节simple cleft palate单纯性腭裂simple preservative简易保鲜剂simple driving mode简易工况法simple transmission单传输simple prepositions简单介词