thistledown造句怎么写

To his delight and relief the dentist's touch was, if not quite as light as thistledown, at least sensitive, and certainly far from the brutal assault he had feared.

Still talking, their words tumbling like thistledown on the hot butterflied silence.

It is as light as thistledown.

It tiptoes through the treetops, rouging a few leaves, then rides a tuft of thistledown across the valley and away.