Yes a big brown dog with long white fangs.

是的，一只长着白色长牙的棕色大狗。

His lifted tail was twitching, his lips were drawn back from the red gums, and I saw his great white fangs.

他抬起的尾巴在抽动， 他的嘴唇从红色的牙龈上向后缩， 我看到了他巨大的白色尖牙。