大家都搜：
[机]法向节距；标准间距；法线螺距
1、pitch-dark───adj.漆黑的
2、pitch diameter───层心直径，（齿轮的）节径，（螺纹的）中径；[机]节圆直径
3、impregnating pitch───浸渍剂沥青
4、media pitch───媒体推广
5、wresting pitch───摔跤场
6、fever pitch───n.狂热；极度兴奋；n.高度兴奋，狂热
7、pitch───n.运动场地；程度；音高；推销行话；倾斜度；沥青；投球；街头摆摊处；颠簸；螺距；v.投掷；投（球）；触地；击高球；重跌；颠簸；使倾斜；确定标准；定音高；投标，推销；搭帐篷；用沥青涂；用石头铺（路）；给（麦芽汁）加酵母
8、perfect pitch───n.音高辨别力；完全音高感，绝对音感
9、normal───n.(Normal)人名；(德)诺马尔；adj.正常的；正规的；标准的；n.正常；标准；常态；法线（数学）
1、Also, a curveball is usually a little bit slower than a normal pitch, so it throws the batter's timing off.───此外，曲球的球速也往往比一般球慢一点，让打击者错过击球时机。
2、the difference between theoretical normal pitch and its actual measured value. The major element to influence the pitch errors is the runout of gear flank groove.───的法向周节与实际测量值不同。影响周节错误的最主要因素是齿轮侧面有凹槽。
3、Analytical Testimony of the Amount of Modification Coefficients More Than Separate Coefficient of Normal Pitch Circle───角变位齿轮传动变位系数之和恒大于分度圆分离系数的解析法证明
4、Pitch your voice slightly lower than normal. Listeners tend to associate credibility and authority with a relatively deep voice.───音调要定得比正常讲话时低一些，听众往往把可信度和权威性与一个相对低沉的声音联系在一起。
5、The pitch is 105 x 68 metres and has an automated sprinkler system and under-soil heating. The current normal capacity is 63,000.───场地长105米，宽68米，拥有自动洒水XiTong和地底加热XiTong，目前能容纳63000人。