back wall

名词 n.
中文释义

英文释义

名词 n.
  1. The wall at the back of a racquetball or squash court, directly opposite the front wall.
  2. The back of the thorax's wall
    — ... back wall of thorax S20.40 Unspecified superficial injuries of back wall of thorax S20.401 Unspecified superficial injuries of right back wall of thorax D , S S20.402 Unspecified superficial injuries of left back wall of thorax D , S[…]
  3. Used other than figuratively or idiomatically: see back, wall.

词形变化

back walls plural

词源

Because it is a wall and is located at the back of the court.
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