| 单词 | boom |
| 释义 | boom 1. n. & v. --n a deep resonant sound. --vintr. make or speak with a boom. Etymology: imit. 2. n. & v. --n a period of prosperity or sudden activity in commerce. --vintr. (esp. of commercial ventures) be suddenly prosperous or successful. Phrases and idioms boom town a town undergoing sudden growth due to a boom. Derivatives boomlet n. Etymology: 19th-c. US word, perhaps f. BOOM(1) (cf. make things hum) 3. n. 1. Naut. a pivoted spar to which the foot of a sail is attached, allowing the angle of the sail to be changed. 2. a long pole over a film or television set, carrying microphones and other equipment. 3. a floating barrier across the mouth of a harbour or river. Etymology: Du., = BEAM n. |
| 随便看 |
英语词典包含43808条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。