词汇	non-convex shape
释义	non-convex shape 非凸形状
随便看	She twirled a strand of hair round her finger She twirled the knob of the door She twisted braids of hair on the head She twisted flowers into a wreath She twisted round in her seat She twisted round in her seat,craning backward She twisted round in her seat, craning backward She twisted the long scarf round her head She twists the young man around her finger She twists the young man round her finger She twitched the curtain aside She twitched the curtain into place she twittered shetyll She typed an original and two carbons She typed the letter carefully She types quickly and well She types very fast She types well She typewrite at home to gain the pin money She typifies the bored housewife sheu sheuch sheue SheUfishes