brake; speeddeceleration flapdive drag brakedive flapdrag flapflight brakerigid air brakespeed boardsspeed brakespeedbrake减速: moderate; reduce the speed; ...板: board; plank; plate瓣状减速板: petal-type airbrakes低速减速板: lower-speed brakes放减速板: select speed brakes out; speed brake extension下载手机词典可随时随地查词查翻译