play double短语¹³¹⁶²⁰⁺³ 基本例句 耍两面派,两面讨好 If seated, I play double lip, period. 坐下时，我就用双包演奏。 clarinet “For Career education, its examination system should play double roles, whose goals should not only be job- placement, but also the realization of nature of education”. 职业教育，其考试考核既要具备社会学的功能， 即学习结果要满足就业的功利性要求，又要具备教育学的功能， 即学习结果要实现教育的人本性目标。 blog.sina.com.cn