feather-light

常见例句

She danced, light as a feather, eyes shining.
她舞步輕快，兩眼亮閃閃的。
Feather is very light, so that we say "as light as a feather".
羽毛很輕，因此我們說“輕如鴻毛”。
I groped for the light switch in the dark room.
我在黑暗的房間裡摸索著找電燈開關。
A feather floated down on the wind.
一根羽毛隨風飄落。
The chicks will soon feather out.
小鳥就要長出羽毛來了。
Compared with general concrete box-girder, box-girder with corrugated steel webs (CSW), which feathers light self-weight and high pre-stress efficiency, has been soon applied in bridge construction.
與普通箱梁相比,波形鋼腹板預應力混凝土箱梁具有自重輕,預應力傚率高等優點,這種結搆在橋梁工程中得到了迅速推廣。