pitchupn.上仰
pitchn.球场;程度;音调;推销;投掷;街头商贩摊位;沥青;树脂;松脂v.投;颠簸;搭帐篷;定调;推销;用沥青覆盖
pitch for the tape赛跑的最后冲刺
pitch-and-puttn.【英】小型高尔夫球赛
pitch-and-tossn.掷钱
Pitch quantization基音量化
pitching vibration俯仰振动
pitch into the job积极投入工作
Pitched roof house半坡房
pitch modification变调
Pitch-controlled变桨距控制
pitch of vibration振动周期