A producing method of ball for ball game including a ballcover and a bladder is disclosed.
本发明提供一种包括球皮和球胆的球技用球的制法。
2
You should curl up (蜷缩) into a ball and cover your head and neck with your hands.
你应该蜷缩起来，用手护住头和脖子。
3
The child was asked to go to the corner of the room and to cover his or her eyes before coming back and guessing which of two large boxes contained a hidden ball.