基本解释n.地速同根派生 groundspeed相关词英汉例句If a 10 km/h tail wind exists, flying speed will be 30 km/h as measured by an airspeed indicator, while groundspeed will be 30+10 = 40 km/h . 而在時速十公裡的順風而空速計量測到的速度爲三十公裡的狀態下,我們的對地速度將會是時速四十公裡(30+10公裡)。groundspeed更多例句