There was a whine of hydraulics as the undercarriage locked into position.随着液压系统嘎吱一声响，起落架进入了锁定位置。The undercarriage on light aircraft does not always retract in flight.轻型飞机飞行时起落架不一定缩回.A kind of cutter undercarriage mechan...
The weather was unkind to those pipers who played in the morning.坏天气对上午那些风笛吹奏者毫不容情。Without wishing to be unkind, she's not the most interesting company.我说这话没什么恶意，但她并不是个特别有趣的伙伴。Marcus has been most unkind to me today...