She churns out trashy romantic novels.她不断拼凑些无聊的爱情小说.She churns out about ten new books every year.她每年粗制滥造出大约十本书.This factory churns out lots and lots of cars a day.这家工厂一天可生产很多汽车....
类似房屋所用的栋木刷了沥青。The timbers of similar houses were painted with pitch.屋顶涂抹了一层沥青.The roof was covered with tar.他们用沥青涂盖屋顶.They used pitch to cover roofs....