throw sth in

(a) include sth with what one is selling or offering, without increasing the price （出售或出价时）额外赠送某物: You can have the piano for 60, and I'll throw in the stool as well. 这架钢琴可以卖给你 60 英镑, 琴凳我奉送. (b) make (a remark, etc) casually 随口说出（话语等）.

throughway, throve, throw, throw about, throw away, throw doubt upon, throw in, throw light on, throw light on sth., throw litter, throw off, throw oneself at sth/sb, throw oneself into sth, throw oneself on sb/sth, throw over, throw sb back on sth, throw sb out, throw sb over, throw sb together, throw sth away, 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-nail, thumb-stall, thumb-tack,