black tongue

同根派生

There was a large rattlesnake on the table, flicking its black tongue and rattling furiously, and several dozen more coiled on the floor of the pit.
我們只看到一條蛇吐著有毒的蛇信，搖著會響的尾巴，其實多數(shù)的蛇只是安然的盤在蛇洞中。
Black tongue fur is not all of interior-syndromes
黑苔并非都屬里證
Black tongue following oral administration of azithromycin: 2 case reports
阿奇霉素致黑舌苔2例
He was in black from crew to earing.
他全身上下都穿著黑衣服。
He whipped up a pistol and shot at the black bear.
他急忙抓起手槍，向那頭黑熊射擊。