
好词典

源自法语 'hélicoptère'(1907年),由希腊语 'helix'(螺旋)和 'pteron'(翅膀)组合而成,字面意思是“螺旋翼”。
❶ 直升机,一种通过旋转的主旋翼提供升力和推进力的飞行器,能够垂直起降和悬停。
“The rescue team arrived by helicopters to save the stranded hikers.”
(救援队乘坐直升机抵达,营救被困的徒步旅行者。)
“Helicopters are often used in medical emergencies to transport patients quickly.”
(直升机常用于医疗紧急情况,快速运送病人。)
helicopter parents — 指过度介入孩子生活的父母,像直升机一样盘旋在孩子周围,随时准备干预。
“Helicopter parents often do their children's homework for them.”
(直升机父母经常替孩子做作业。)