| 单词 | roll out |
| 释义 | Word Frequency roll outverb (tr, adverb) 1. to cause (pastry) to become flatter and thinner by pressure with a rolling pin 2. to show (a new type of aircraft) to the public for the first time 3. to launch (a new film, product, etc) in a series of stages over an area, each stage involving an increased number of outlets noun roll-out 4. a presentation to the public of a new aircraft, product, etc; a launch Word Frequency roll-out(ˈrəʊlaʊt) noun a presentation to the public of a new aircraft, product, etc; a launch |
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