pitch
英 [pɪtʃ]
美 [pɪtʃ]
n.
场地；音高；音调高低；倾斜度；强度；程度；投球；推销行话；推销用语；摊位；表演场所；前后颠簸；纵摇；螺距；节距；沥青
v.
定调；定音高；扔；掷；丢；投球；投标；扎；搭建；安顿；定下位置；前后颠簸；摇晃；振动；使倾斜；用石头铺；给…加酵母；盖上沥青；涂上沥青
复数： pitches
第三人称单数： pitches
现在分词： pitching
过去式： pitched
过去分词： pitched
英文释义：
n.
1.the property of sound that varies with variation in the frequency of vibration
声音随振动频率的变化而变化的特性
2.(baseball) the act of throwing a baseball by a pitcher to a batter
(棒球)投手把棒球扔给击球手的动作
3.a vendor's position (especially on the sidewalk)
小贩的位置(尤其是在人行道上)
"he was employed to see that his paper's news pitches were not trespassed upon by rival vendors"
"他被雇来确保他的报纸的新闻内容不被竞争对手侵犯"
4.promotion by means of an argument and demonstration
通过辩论和示范进行宣传
5.degree of deviation from a horizontal plane
偏离水平面的程度
"the roof had a steep pitch"
"屋顶坡度很大"
6.any of various dark heavy viscid substances obtained as a residue
各种深色重粘性物质，作为残余物获得
7.a high approach shot in golf
高尔夫球中的高击球
8.an all-fours game in which the first card led is a trump
一种四人游戏，其中第一张牌是王牌
9.abrupt up-and-down motion (as caused by a ship or other conveyance)
突然的上下运动(由船或其他运输工具引起)
"the pitching and tossing was quite exciting"
"投球和投掷相当刺激"
10.the action or manner of throwing something
投掷某物的动作或方式
v.
1.throw or toss with a light motion
轻掷或投掷
2.move abruptly
突然移动
3.fall or plunge forward
向前跌倒或跳水
"She pitched over the railing of the balcony"
"她跳过了阳台的栏杆"
4.set to a certain pitch
设定到一定的音高
"He pitched his voice very low"
"他把声音定得很低"
5.sell or offer for sale from place to place
到处出售或要约出售
6.be at an angle
有一个角度
7.heel over
脚后跟着地
8.erect and fasten
竖起并系紧
"pitch a tent"
“搭帐篷”
9.throw or hurl from the mound to the batter, as in baseball
在棒球运动中，把球从土墩上扔向击球手
"The pitcher delivered the ball"
"投手投球"
10.hit (a golf ball) in a high arc with a backspin
用下旋球打出一个高弧线
11.lead (a card) and establish the trump suit
出(一张牌)并打出王牌
12.set the level or character of
设定…的水平或特征
举个例子：
1.It is, admittedly, a pretty convincing pitch.
无可否认，这是相当有说服力的宣传论点。
2.The faster they vibrate, the higher pitch the sound is.
振动得越快，声音的音调就越高。
3.If you try to raise the pitch of your voice, you stretch the vocal cords.
如果你试图提高你的音调，你就会拉伸声带。
4.When we're on a low pitch, they're short.
当我们发低音的时候，他们就就很短。
常用短语：
pitch in 投入；作出贡献
tar pitch 焦油沥青
coal tar pitch 沥青；煤焦油沥青；硬煤沥青
pitch on 选中；决定
pitch angle 节面角（锥齿轮的）；螺旋角
variable pitch 可变螺距；可变节距；变斜度
pitch diameter 节圆直径
pitch control 树脂障碍控制；行距控制；节距控制；音调控制
screw pitch 螺纹距，螺距
pitch point 节点；齿轮啮合节点
sales pitch 推销商品的言辞
petroleum pitch 石油沥青
football pitch 足球场
pitch period 齿节周期；音高周期
at fever pitch 处于狂热状态；处于非常激动(或兴奋)状态
pitch circle 齿节圆，节距圆
pitch curve 啮合曲线；分度曲线
fixed pitch 固定字宽
fever pitch n. 狂热；极度兴奋
thread pitch 螺距
词汇拓展：
近义词
n. sound property, throw, position, place, promotion, publicity, promotional material
v. fling, move, descend, fall, go down, come down, set
解析
throw 普通用词，使用广泛，仅指用力抛掷，不涉及动作方式或感情色彩。
cast 常可与throw互换，指迅速扔出一个重量较轻的物体。
fling 指用力投掷，或因感情激动而粗暴地或漫无目的地扔东西。
heave 指把重物举起后扔出。
hurl 通常指用力投掷，动作迅猛，所投掷的距离也较远。
pitch 指随意地、轻轻地掷或扔，侧重方向性和有明确的目标。
toss 指无什么目的地、轻轻地、随意地掷或扔，所扔掷的东西一般都比较轻。
联想词
outfield外场;bat蝙蝠;
fastball快球;
infield内野;
inning一局;
dugout独木舟;
ball球;
umpire裁判员;
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