| 单词 | speed up |
| 释义 | Word Frequency speed upverb (adverb) 1. to increase or cause to increase in speed or rate; accelerate noun speed-up ▶ USAGE The past tense and past participle of speed up is speeded up, not sped up2. an instance of this; acceleration Word Frequency speed-up(ˈspiːdˌʌp) noun an act or instance of moving or happening more quickly Google will not run five times faster if our research is implemented, but we do expecta 30 percent speed-up. The president has ordered a speed-up of aid for unemployed people. |
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