tusk的例句（tusk在句子中的用法）

• a long spiral ivory tusk 扭曲的长尖牙
• The narwhal's single, spiral tusk has always been a mystery. 独角鲸那独一无二的螺旋状尖角总是被视为神秘之物.
• 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.
• Elephants wear the tusk down faster than they can grow it. 象牙磨损的速度快于生长的速度。