定调管的英文：
pitch pipe
v. 投掷；为…定音高；搭帐篷；用沥青涂
n. 投；投球；音高；程度；沥青
- deliver a pitch
竭力推销 - the pitch was away (or wide); an outside pitch.
那个球投歪了；一个偏外的坏球。 - We should pitch it within and without with pitch.
我们应该内外都涂上沥青。 - The boys pitched a tent by the river.
男孩子们在河边搭起了帐蓬。 - They pitched up for the night.
他们扎营过夜。
n. 管子；烟斗；管乐器，笛子
v. 以管输送；以管乐器演奏；尖声地说；吹哨子下令；滚边
- He only played the pipe.
他只不过是吹吹笛子罢了。 - They piped the captain on board.
他们以笛声欢迎船长登船。 - On the right was a clutter of pipes and debris.
右边是乱七八糟的管子和破碎杂物。 - Every pipe is voiced and tuned.
每支音管都要修音调律。 - pipe edges sewing machine
滚边缝纫机
