thumb-nail

n nail at the tip of the thumb 拇指的指甲. adj [attrib 作定语] briefly written 文字简洁的: a thumb-nail sketch/portrait/description of sb/sth 对某人[某事物]的简略描述.

throw sb together, throw sth away, throw sth in, throw sth off, throw sth up, throw up, throw-away, throw-back, throw-in, throw/cast light on, throwback, thru, thrush, thrust, thruster, thud, thug, thuggery, thumb, thumb-index, thumb-stall, thumb-tack, thumbnail, thumbscrew, thumbtack, thump, thumping (also thundering), thunder, thunder-cloud, thunderbolt, thunderclap, thunderer, thundering, thunderous, thunderously, thunderstorm, thunderstruck, thundery, Thur (also Thurs), Thursday,