across

• 表示从一边到另一边移动或延伸，如「他穿过街道」或「桥横跨河流」。也可表示位置在对面或横过某物。

An adverb indicating movement or position that extends from one side to the other, as in "He walked across the street" or "The bridge spans across the river."

1. From one side to the other sideA2formal

   Moving or extending from one side of something to the opposite side.

   从一边到另一边

   • He ran across the yard to catch the ball.
   • The cat jumped across the fence.
   • She walked across the street to get to the shop.

   同义词athwartcrosswayscrosswiseovertransversely

2. At a location on the opposite sideA2formal

   Used to indicate a place that is on the other side of a reference point.

   在对面

   • My house is across from the school.
   • There's a bakery across the road.
   • He lives across the river from downtown.

   同义词oppositeover

3. Throughout; all overB1informal

   Extending over a wide area or throughout a region.

   遍及各地；到处

   • The news spread across the country within hours.
   • Wildflowers bloom across the meadow in spring.
   • He traveled across Europe on a bicycle.

   同义词all overaroundoverthroughout

• 介词，表示从一侧到另一侧、在对面、遍布某区域、与身体某部位接触或涉及不同群体。

A preposition indicating movement from one side to another of something with clear boundaries, position on the opposite side, distribution throughout an area, contact with a body part, or involvement across different groups or barriers.

1. Movement from one side to the otherA2formal

   Used to show movement from one side to the opposite side of something that has clear limits, such as a field, road, river, or room.

   穿过，从一边到另一边

   • She walked across the field.
   • They're building a new bridge across the river.
   • He ran across the street without looking.
   • When I reached the river, I simply swam across.

2. Position on the opposite sideA2formal

   Indicates that someone or something is located on the other side of a place, object, or boundary.

   在对面，在另一边

   • The library is just across the road.
   • There's a bank right across the street.
   • My school is just across the road from where I live.
   • His workshop is just across the courtyard.

3. Extending over a surface or body partB1formal

   Used when something lies, stretches, or moves over a surface, area, or part of the body, often covering or touching it.

   横过，穿过，覆盖

   • He folded his arms across his chest.
   • She found her clothes lying across the chair.
   • The wind pushed his hair across his face.
   • Quigley clouted me smartly across the side of the head.

4. Distribution throughout an area or groupB2formal

   Indicates that something happens, exists, or is found in every part of a particular place, country, organization, or group of people.

   遍及，遍布

   • Voting took place peacefully across most of the country.
   • Her family is scattered across the country.
   • This view is common across all sections of the community.
   • Across the world, people are praying for peace.

5. Involving different groups or barriersB2formalpolitical

   Used to show that something connects, affects, or includes people or things from different political, social, religious, or cultural groups.

   跨越、贯穿、跨群体

   • Parties competing across the political spectrum.
   • People united across borders by religion and history.
   • The study of linguistics across cultures.
   • 2,000 workers across all state agencies are to be fired.

6. Measurement of widthB1formal

   Used in measurements to indicate the distance from one side of an object to the other, showing its width or diameter.

   横宽，直径

   • This hand-decorated plate measures 30cm across.
   • The snails are no larger than one centimetre across.
   • The room is five metres across.
   • The tree trunk was two feet across.