sleeper-layer

基本解释

• 軌枕鋪設機

同根派生

英汉例句

• This layer of rock contains a lot of flint.
  這一巖層中有大量燧石。
• The football game was won by a sleeper, an unknown new player.
  足球比賽爆冷門，有一匹黑馬贏球了，是一個名不見經傳的新球員。
• The inner layer of the wall of a spore.
  孢子內壁孢子壁的內層
• There is a fine layer of dust on the desk.
  桌子上有一層薄薄的塵土。
• I have bought a ticket for a sleeper.
  我買了張臥鋪票。