Perkeratosis
牲畜X病, 牲畜皮肤角化症
🗣️ 情景例句
Keep along this road
沿着这条路
Is there a funny show on television tonight?
今晚有精彩的电视节目吗？
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。