释义 |
updraft in American English (ˈʌpˌdræft) Examples of 'updraft' in a sentenceupdraft As with any capricious wind, there is as much downdraft as updraft.The more the fire grows, the more air gets pulled into the updraft, intensifying the entire conflagration.They created a barely perceptible updraft, of the kind that sends dandelion seeds floating aloft, and then watched what happened.There is no prospect of cross-ventilation or even the updraft which flowed up the staircase of a back-to-back.However, relief may also be found in the associated convective updraft as it comes into play.The column of fire forms when eddies caused by the blaze lead to a powerful rotating updraft. |