fly front

纽扣遮盖,暗门襟, n. 掩襟

例句与用法：

In misty weather, the pilots have to fly by instruments.

大雾天飞行，飞行员只得靠仪表。

Several of the younger politicians seemed determined to make the sparks fly by their strong criticisms of the minister's plans.

好几位较年轻的从政者似乎决心以强烈批评部长诸项计划的方式激起争论。

Sundays fly by like lightning.

星期天稍纵即逝。

Birds learn to fly by instinct.

鸟类学习飞翔是出于本能。