可引用的發言段落Citable transcript turn
#236886
講者：Speaker:
These are places where citizen scientists are active, and the universities and environmental protection agency...
鍵盤快捷鍵Keyboard shortcuts
j 下一段next turnk 上一段previous turn
可引用的發言段落Citable transcript turn
講者：Speaker:
These are places where citizen scientists are active, and the universities and environmental protection agency...
j 下一段next turnk 上一段previous turn