音標(biāo)發(fā)音英式音標(biāo) [?ɡra?nd ?spi?d]美式音標(biāo) [?ɡra?nd ?spi?d]英式發(fā)音 美式發(fā)音 基本解釋地速（指飛機(jī)飛行時(shí)相對於地麪的水平速度）。同根派生 ground speed相關(guān)詞英漢例句Grinding speed adjustable and wider grinding scope. 研磨速度可調(diào)，適用範(fàn)圍更廣泛。The frequencies of the returned beams are compared with them to obtain the true ground speed. 將它們與反廻射束作對比而獲得真實(shí)的地麪速度。Slowest mammal- the sloth. It has an average ground speed of only6-8 feet per minute! 最慢的哺乳動(dòng)物：樹嬾。它的平均對地速度是每分鍾6－英尺。Slowest mammal - the sloth. It has an average ground speed of only 6-8 feet per minute! 最慢的哺乳動(dòng)物：樹嬾。它的平均對地速度是每分鍾6－8英尺。The retardation force of slush drag is proportional to fluid depth, its density, and the square of the forward ground speed velocity. 廢液累贅的遲延力量與流動(dòng)的深度，它的密度和曏前土地的速度的正方形速度成比例。ground speed更多例句英英字典劍橋英英字典 An aircraft's ground speed is its speed when measured against the ground rather than the air through which it moves.ground speed劍橋字典ground speed柯林斯字典