1. 擋板，調(diào)節(jié)風(fēng)門一種可調(diào)節(jié)的薄片，如在熔爐或火爐的通氣管中的，用來控制氣流
   An adjustable plate, as in the flue of a furnace or stove, for controlling the draft.
2. 當(dāng)飛機向前移動時，機翼上方的氣流產(chǎn)生向上的力使飛機飛離地面保持在空中不墜。
   As the air craft moves forward, the air flowing over the wings produces lift to raise the aircraft off the ground, and keep it in the air.
3. 在對流中熱氣流向上運動。
   In convection, hot currents flow upwards.
4. 懸掛式滑翔機藉著暖氣流在高空飛行。
   Currents of warm air keep the hang-gliders aloft.

氣的英語翻譯：

流的英語翻譯：