updraught
/ˈʌpdrɑːft/ (bre, ipa) · /ˈʌpdræft/ (ame, ipa)
updraught — 名詞
1. a flow of air that moves from the ground upward through the sky, often carrying
上升氣流
從地面向上移動的氣流
a flow of air that moves from the ground upward through the sky, often carrying heat and water vapour that form clouds
The strong updraught carried the eagle high above the mountain valley.
一股強勁的上升氣流把老鷹帶到高山峽谷的上方。
strong updraught collocation: force of the air current
Piotr felt the warm updraught on his face as the sun heated the dry field.
Piotr 感覺到陽光照熱乾燥的田野後，一股溫暖的上升氣流拂過他的臉頰。
warm updraught: sun-heated air rises from ground
The pilot guided the glider into an updraught to gain height without using the engine.
飛行員將滑翔機導入一股上升氣流，不必使用引擎就能爬升高度。
Clouds began to form where a strong updraught pushed warm air into the cold sky.
一股強勁的上升氣流把暖空氣推向寒冷的天空，雲開始在那裡形成。
Reema watched dry leaves spin upward, caught by a sudden updraught from the canyon.
Reema 看著乾枯的樹葉被峽谷中突然竄出的上升氣流捲起，在空中旋轉。
- updraft
American English spelling; identical meaning
- thermal
specifically a warm updraught caused by the sun heating the ground, common in gliding
- rising current
more general term, less technical than updraught
- downdraught
a flow of air moving downward instead of upward
- downdraft
American spelling of the opposite phenomenon
文法句型
updraught + verb (carries / lifts / forms)
用法筆記
More common in British English spelling; the American spelling is updraft. Frequently used in aviation and weather reports to describe conditions that help birds, gliders, and paragliders stay aloft.