The albatross is the king of gliders.信天翁是滑翔鸟类之王.Gliders equipped with radio and recording instruments have been flown into the core of thunderstorms.装有无线电设备和记录仪的滑翔机曾飞进雷暴的中心.Troops were dropped or landed by gliders behind...
Ravens and crows relatives, belong to the raven is the same ( Corvus ).乌鸦和乌鸦亲属, 属于乌鸦是相同的 ( 乌鸦 ).Crows cawed from the poplar trees overhead.白杨树上的乌鸦在上空呱呱乱叫。The cock crows and the dawn chorus begins.雄鸡报晓，鸟儿欢叫。Crows circled ...