sleeper-layer

常见例句

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。
The middle, usually fleshy layer of a fruit wall.
中果皮果皮中間通常含肉較多的那一層