这些口袋的可以用来装载一些随身携带物体，以防在飞行期间被掉。
These pockets are arranged in such a way to prevent the contents from accidentally falling out during flight.
她的同伴在她睡觉时为她守候，为她梳理在飞行期间巳经松动的羽毛。
Her mate is grooming her as she sleeps, plucking off feathers that have loosened during her flight.
在飞行期间禁止使用手机打电话主要考虑到的是，可能会干扰地面手机通讯。
Its main concern in banning calls in the air has been potential interference with cell-phone use on the ground.
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