詞語：lighter-than-air
lighter-than-air的解釋
lighter-than-air['laitəðən'εə]adj. 輕於空氣的
lighter-than-air的意思
lighter-than-air 比空氣輕的;Z Lighter-Than-Air 空飄機;lighter-than-air aircraft 輕飛行器;輕於空氣的航空器;lighter-than-air-aircraft 輕於空氣航空器;Lighter-Than-Air Ligh 室內星光;
lighter-than-air的參考例句
1.In nature, lighter-than-air volcanic lava traps bubbles of various sizes as the molten rock cools. 自然界中，比空氣還輕的各種火山灰在冷卻過程中變為海底火山岩。
2.Large airtight bag filled with hot air or a lighter-than-air gas such as helium or hydrogen that can rise and float in the atmosphere. 一種大型氣密球囊，內充熱空氣或輕於空氣的氣體（如氦或氫），以產生浮力，可在大氣中上升和飄浮。
3.This problem has long vexed the American military, which would like to use lighter-than-air dirigibles as atmospheric satellites, or stratellites. 這個問題很長時間一直使美國軍方苦惱，美國軍方打算用像大氣衛星或商用平流層通信飛艇一樣比空氣輕的飛船。