to pitch

• 上下颠簸

to pitch的用法和样例：

例句

1. Smith decided to pitch the ball up to surprise his opponent into making a mistake.
   史密斯决定把球投得靠近对方击球手，使他在惊慌中出错。
2. The pitcher tends to pitch the ball too high.
   这个投球手常把球掷得过高。
3. No wonder their team beat us; they rang in a professional to pitch for them under the name of Dan Smith.
   难怪他们的队打败了我们; 他们请了一个冒名为丹·史密斯的职业队员替他们投球。
4. We planned to pitch our camps in the mountains.
   我们计划在山里扎营。