投手投球的英文：
pitching

pitching是什么意思：
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。