用“on the wing”造句大全，on the wing造句
Two of our rarest, and most graceful, butterflies are on the wing this weekend.
The insignia was visible on the wingtip.
Birds would soar through it into the upper radiance, and hang on the wing sunning themselves, or alight on the wet rails subdividing the mead, which now shone like glass rods.
He is on the wing gathering material for his novels.
Alan Barrett of the University of Texas says travel by carriers of influenza, be they people in aeroplanes or birds on the wing, means regional mutations quickly spread around the world.
The lark's on the wing, the snail's on the horn.
