boulder

boulder — noun

1. a huge rock, often rounded and worn smooth after being moved or shaped by water,

1.名詞B2
釋義

a huge rock, often rounded and worn smooth after being moved or shaped by water, ice, or weather over time.

例句

After the storm, a boulder blocked the narrow road to the village.

collocation: boulder blocked the road

Hana sat on a warm boulder beside the river to eat lunch.

pattern: sit on a boulder

同義詞
  • rock

    the broadest word; can refer to stone of many sizes and shapes

  • stone

    common everyday word; often suggests something smaller or building material

  • slab

    emphasizes a wide flat shape rather than a heavy rounded mass

  • pebble

    much smaller; used for little smooth stones

文法句型

a boulder + verb

sit on a boulder

behind / over / around a boulder

用法筆記

Often appears with verbs such as roll, block, climb over, hide behind, and sit on. In ordinary use it usually refers to one separate rock in the landscape, not to stone as a building material or to a rocky area in general.

常見錯誤

❌The child picked up a boulder and threw it into the pond.
✅The child picked up a stone and threw it into the pond.
💡a boulder is much too large to lift easily.