pitch 名词用法解析：
n.音高; 场地; 最高点; 说教;
1. the property of sound that varies with variation in the frequency of vibration
2. (baseball) the act of throwing a baseball by a pitcher to a batter
同义词：delivery
3. a vendor's position (especially on the sidewalk)
4. promotion by means of an argument and demonstration
同义词：sales talk, sales pitch
5. degree of deviation from a horizontal plane
同义词：rake, slant
6. any of various dark heavy viscid substances obtained as a residue
同义词：tar
7. a high approach shot in golf
同义词：pitch shot
8. an all-fours game in which the first card led is a trump
同义词：auction pitch
9. abrupt up-and-down motion (as caused by a ship or other conveyance)
同义词：lurch, pitching
10. the action or manner of throwing something
vt.用沥青涂; 扔，投; 树起，搭起; 定位于;
vi.抛，扔; [棒球] 当投手; 搭帐篷; 向前跌或冲;
动词pitch意思解析：
1. throw or toss with a light motion
同义词：flip, toss, sky
2. move abruptly
同义词：lurch, shift
3. fall or plunge forward
4. set to a certain pitch
5. sell or offer for sale from place to place
同义词：peddle, monger, huckster, hawk, vend
6. be at an angle
同义词：slope, incline
7. heel over
同义词：cant, cant over, tilt, slant
8. erect and fasten
同义词：set up
9. throw or hurl
复数：pitches 过去式：pitched 现在分词：pitching 过去分词：pitched 第三人称单数：pitches
[例句]You can hit any pitch.
你就可以击中任何投球。
pitch相关短语：
make a pitch 为...说情, 替...说好话, 试图引诱...谈情说爱
pitch dark 漆黑的
pitch for 为...说好话, 试图引诱...谈情说爱
pitch in 努力投入
pitch into 投入, 猛烈进攻, 大吃大嚼
pitch invasion 橄榄球板球等球迷的冲入投球场
pitch on 选中
pitch pipe 律管, 调音笛
pitch up 安定下来, 安顿下来, 搭帐篷
pitch upon 选定, 选出
pitched battle 激战
pitched roof 斜屋顶
a pitch of 用法：
到...的程度
moreover adv. 而且 | to a pitch of sth = to a pitch of ...到...的程度 | make hay 制干草(进行翻晒)
网络例句
1. He brought the machine to a high pitch of development.
他使该机器有了一个很大程度的发展。
pitch in 用法：
1.start work eagerly 努力投入工作
If everyone pitched in we'll soon have the job finished.如果每个人都拼命干，我们很快就能把活干完。
2.give help or money for sth.;contribute帮助某事;捐献
He wouldn't have finished the painting if his wife hadn't pitched in.如果没有他妻子尽力协助，这幅画他就完不成了。
We all pitched in 5 yuan to buy her a present.我们每人都捐5块钱买了一份礼物送给她。
