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...
他结了伤疤的那侧脸青紫发红。The scarred side of his face was a livid red.脸上的伤疤a scar on his cheek哈斯通过他脸上的伤疤辨认出他是嫌疑犯.Haas identified the suspect by the scar on his face....