He arrives in his biplane and crash-lands it in a tree.他开着自己的双翼飞机到达，然后摔机着陆落到一棵树上。If you hear the crash-landing warning, put your head between your knees.如果听到摔机着陆警报，就将头放在两膝之间。His plane made a crash-landing during a sandstorm yesterday.昨天他的飞机在沙尘暴中实施了摔机着陆。