大气: 1.(地球周围的气体) atmosphere; air2.(呼吸; 沉重的呼吸) breath; heavy breathing 短语和例子跑得直喘大气 breathe heavily from running; 吓得连大气也不敢出 catch or hold one's breath in fear
Lapse rate - the rate at which the temperature falls with altitude gain . a healthy lapse rate indicates an unstable day with good potential for soaring flights 温度梯度空气温度随海拔高度增加而下降的固定比率。一个正常的温度梯度表现,暗示一个不稳定大气条件,有令人满意盘旋飞翔可能。