pitch
用法要点
介词用法
pitch 常与介词搭配，如 pitch in（加入帮忙）、pitch for（争取支持）、pitch at（针对某水平）和 pitch into（猛烈攻击或投入）。
句型搭配
作为及物动词，pitch 后可接宾语，如 pitch a tent（搭帐篷）、pitch an idea（推销想法）；作为不及物动词，可单独使用或带状语，如 pitch forward（向前跌倒）。
语域说明
pitch 在商务和体育语境中常见，如 pitch a product（推销产品）或 pitch a game（投球比赛）；在非正式口语中，pitch in 表示帮忙。
基础例句
Can you help me pitch the tent before it gets dark?
你能在天黑前帮我搭帐篷吗？
She pitched the ball straight to the catcher.
她把球直接投给了接球手。
Everyone pitched in to clean up after the party.
派对结束后，大家都帮忙打扫。
The roof has a steep pitch, so be careful when walking.
屋顶坡度很陡，走路时要小心。
高级例句
The startup pitched their innovative app to investors at the conference.
这家初创公司在会议上向投资者推销了他们创新的应用程序。
In music theory, pitch refers to the perceived frequency of a sound.
在音乐理论中，音高指的是声音的感知频率。
The engineer adjusted the pitch of the propeller to optimize efficiency.
工程师调整了螺旋桨的螺距以优化效率。
During the negotiation, he made a strong pitch for higher budget allocation.
在谈判中，他有力地争取了更高的预算分配。
高频搭配
verb
adjective
noun
adverb
preposition
phrase
常见错误
错误使用介词 'for'，正确应为 'to'，表示向某人推销想法。
直接说 'high' 不够准确，应使用 'high-pitched' 来描述音高，更符合英语习惯。
近义词辨析
throw
throw 泛指投掷动作，较通用；pitch 更强调精准或专业的投掷，如体育或推销语境。
He threw the paper into the bin. (通用投掷) vs. He pitched the baseball with great speed. (专业投掷)
slope
slope 指斜坡或倾斜面，是具体名词；pitch 作为名词时，可指坡度程度，更抽象或用于技术描述。
The hill has a gentle slope. (具体斜坡) vs. The roof's pitch is 30 degrees. (坡度程度)