| 单词 | cannonball |
| 释义 | cannonball /kan"euhn bawl'/, n. Also, cannon ball. 1. a missile, usually round and made of iron or steel, designed to be fired from a cannon. 2. Tennis. a served ball that travels with great speed and describes little or no arc in flight. 3. anything that moves with great speed, as an express train. adj. 4. made from a curled-up position with the arms pressing the knees against one's chest: a cannonball dive. 5. moving at great speed: a train known as a cannonball express. [1655-65; CANNON + BALL1] |
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