n.

1. 架子；挂物架；（行李）网架[C]
   The racks were crowded with new clothes.

   架子上挂满了新衣服。

2. 肢刑架，拷问台[the S]
   He lay there groaning like a prisoner stretched out on the rack.

   他躺在那里呻吟，就像一个囚犯被绑在肢刑架上。

3. 极大的苦痛，折磨[the S]
4. 【机】齿条[C]，装配齿轮之齿棒
5. （风暴等的）破坏力[the S]
   Many trees were twisted by the rack of the storms.

   很多树被风暴摧折。

vt.

1. 把……放在架子上
2. 对……施肢刑
3. 使受极大痛苦，折磨
   He was racked by doubts.

   疑虑折磨着他。

4. 尽力使用；过度使用
   Racking his brains, he couldn't think of a single example.

   他绞尽脑汁却连一个例子都想不出来。

n.

1. 【古】毁灭，荒废

n.

1. a framework for holding or storing things.
   ▸a vertically barred holder for animal fodder.
2. a cogged or toothed bar or rail engaging with a wheel or pinion, or using pegs to adjust the position of something.
3. (the rack) historical an instrument of torture consisting of a frame on which the victim was tied by the wrists and ankles and stretched.
4. N. Amer. informal a bed.
5. a triangular frame for positioning pool balls.
   ▸a single game of pool.
6. N. Amer. a set of deer's antlers.
7. a digital effects unit for a guitar or other instrument.

v.

1. (also wrack) cause extreme pain or distress to.
   ▸archaic oppress (a tenant) by exacting excessive rent.
   ▸historical torture on the rack.
2. place in or on a rack.
3. (rack something up) accumulate or achieve something.

n.

v.

1. (of a horse) move with such a gait.
2. rack off
   Austral. informal go away.

n.

n.

v.

n.

v.