throw litter

到处扔；转向航行

People should not throw litter because it makes places look messy.

throaty, throb, throes, thrombosis, throne, throng, throttle, through, through (US also thru), throughout, throughput, throughway, throve, throw, throw about, throw away, throw doubt upon, throw in, throw light on, throw light on sth., 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 in, throw sth off, throw sth up, throw up, throw-away, throw-back, throw-in, throw/cast light on, throwback, thru,