喂球者
参考答案:
进攻球员角色之一。进攻时候准备施行内线单打(insideplay),或孤立战术单打(isolation)之传球者。
Neither you nor I, nor anyone else ________ the answer. [ ]
A. knows
B. know
C. has been known
D. is knowing
什么是节流现象?流体流经节流装置为什么会产生静压差?