squirrel cage
名词 n.
英文释义
名词 n.
- A circular cage for a squirrel or other small animal, which rotates vertically as the animal runs at the bottom.
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A tedious, repetitive, unfulfilling activity or situation, especially one in which no progress is achieved.
— The poor stuggle for riches, success, power; but those who achieve them die out. Life is, then a sort of squirrel cage or treadmill.
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Any other device, such as a fan or rotor, that resembles a squirrel cage in form.
— A blower, in the shape of a drum fan (also called a "squirrel cage"), pulls the warm humid air from the room across the coils.
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数据来源: Wiktionary