...an old toothbrush.一把旧牙刷The toothbrush gently removes plaque without damaging the gums.这种牙刷可以温和去除牙菌斑而不损伤齿龈。As soon as the bristles on your toothbrush begin to wear, throw it out.牙刷毛一开始磨损，就把它扔掉。He was short and tubby an...
He changed from lightweight (under 71kg) to light middleweight (under 78kg).他从轻量级（71公斤以下）转到了轻中量级（78公斤以下）。They did not even remember that he was middleweight boxing champion.他们甚至记不得他曾是中量级拳击冠军.Laila squeaked out an eight －...