pitch

• 多义名词，可指音高、音调，推销或宣传性的言辞，运动场地，以及从树脂中提取的黑色黏稠物质（沥青/松脂）。

A noun with multiple meanings, including the quality of a sound (highness or lowness), a persuasive sales talk, a playing field for sports, or a dark, sticky substance derived from tar.

1. Playing fieldA2formalbritishsport

   A designated area for playing a sport, especially soccer, rugby, or cricket.

   球场

   • The players ran onto the pitch for the final match.
   • The pitch was flooded after heavy rain.
   • They are resurfacing the football pitch this summer.

   同义词fieldgreengroundplaying fieldturf

2. Level or degreeB2formal

   The degree of intensity, quality, or level of something.

   程度或水平

   • The excitement reached a fever pitch during the concert.
   • Her anger was at such a pitch that she couldn't speak.
   • The negotiations were at a high pitch of tension.

   同义词degreeextentintensitylevelmagnitudepoint

3. Sound frequencyB1formal

   The quality of a sound determined by the frequency of vibrations; how high or low a sound is.

   音高

   • The pitch of the violin was too high for the piece.
   • He has perfect pitch and can identify any note.
   • The singer's voice has a naturally low pitch.

   同义词frequencykeytonalitytone

4. Sales talkB2informal

   A persuasive speech or argument used to sell something or promote an idea.

   推销演说

   • The salesman gave a smooth pitch for the new product.
   • She prepared a strong pitch to win the client's business.
   • His pitch for the project was convincing and well-researched.

   同义词linepatterpresentationproposalsales pitchsales talkspiel

5. Dark substanceB2formal

   A thick, black, sticky substance made from tar or petroleum, used for waterproofing or paving.

   沥青

   • The roof was covered with pitch to prevent leaks.
   • They used pitch to seal the wooden boat.
   • The road was paved with a mixture of pitch and gravel.

   同义词asphaltbitumentar

• 动词，表示投掷或抛掷某物、搭帐篷或扎营，或指有说服力地推介某个想法或产品。

A verb used to indicate the act of throwing or tossing something, setting up a tent or camp, or presenting an idea or product persuasively.

1. A2formalsport

   To throw a ball to a batter in baseball or softball.

   投球

   • The pitcher pitched a fastball down the middle.
   • He pitched for the Yankees for ten years.
   • She pitched the ball with incredible accuracy.

   同义词chuckdeliverflingheavehurllobthrowtoss

2. B1formal

   To set up or erect something, such as a tent or a camp.

   搭建

   • We pitched our tent near the lake.
   • They pitched camp before sunset.
   • The crew pitched the stage for the concert.

   同义词erectput upraiseset up

   反义词demolishdismantlerazestriketake down

3. Promote or sellB2informalbusiness

   To try to persuade someone to buy something or accept an idea.

   推销

   • He pitched his business idea to the investors.
   • She pitched the new product to the marketing team.
   • They pitched a proposal for a joint venture.

   同义词advertisehawkmarketpeddleplugpromotepushselltout

4. B2formal

   To fall or drop suddenly, especially in a downward direction.

   坠落

   • The plane pitched violently during the storm.
   • He pitched forward when the bus stopped suddenly.
   • The stock market pitched downward after the news.

   同义词descenddivedropfallnosediveplummetplungetumble

   反义词ascendclimbliftraiserisesoar

短语动词变体pitch inpitch into