The stone stairway was covered with lichen.那石级长满了地衣.Lichen is a form in which green or bluegreen algae and a fungus live together symbiotically.地衣是一种绿藻或蓝藻与一种真菌共生的形式.The case was diagnosed as lichen sclerosus et atrophicu...
The defect detracts greatly from the value of the vase.这瑕疵大大地降低了花瓶的价值。The ugly detracts from the beauty of the famous picture.难看的框子减损了这幅名画的美丽.That scandal he was involved in before detracts from his glorious achievement....