词汇	无忧虑
释义	无忧虑 convenience
随便看	roll test roll testing roll test paper roll the aircraft into a bank Roll the ball on ground Roll the ball to me roll the bones roll the date roll the dice roll the entry roll the logs into a river roll them in the aisle roll them in the aisles roll the neck Roll Theorem roll the paraffin in wax roll the road roll the sausages in batter roll the shoulder forward roll the stones roll thickness gage rollthickness gauge roll thickness gauge roll threading roll through