毒蛇的尖牙能注射致命的毒液。

The venomous snake uses its ___fangs to inject deadly poison.

蛇用毒牙向猎物注射毒液。

Snakes use their ___fangs to inject venom into prey.

冰柱从屋檐垂下，就像野兽的獠牙。

The icicles hanging from the roof looked like ___fangs of a wild beast.