tusk

长牙英释中释none of a pair of very long pointed teeth, that stick out of the mouth of animals such as elephants

以牙刺戳中释v

1 A huge tusk decorated the wall of his study..他书房的墙上装饰着一支巨大的象牙。

2 First find the key to the museum, then get the mammoth tusk from the natural history wing..首先找到进入博物馆的门，然后从自然历史展区拿到猛犸象牙。

3 That hole is now being filled - thanks to narwhals, medium-size whales, endemic to the Arctic, known as unicorns of the seas because of the single, spiralling tusk found in males..这个洞现在正在被填补起来--这归功于角鲸，一种中等大小的，北极特有的鲸，因为雄鲸长着一个螺旋纹的长牙而被称为海中的独角兽。