blow-hole

n 1 vent for air, smoke, etc in a tunnel （隧道的）通风口. 2 hole in the ice through which seals, etc breathe （海豹等用以呼吸的）冰窟窿. 3 whale's nostril situated at the back of its skull （鲸鱼的）鼻孔.

blooming, blooper, blossom, blot, blotch, blotched, blotchy, blotter, blotting-paper, blotto, blouse, blow, blow in/blow into sth, blow off, blow one's nose, blow one's top, blow out, blow over, blow to pieces, blow up, blow-dry, blow-out, blow-up, blowed, blower, blowfly, blowhard, blowing-up, blowlamp (US torch, blowtorch), blown, blowy, blowzy, blubber, bludgeon, blue, blue baby, blue blood, blue book, blue cheese, blue ensign, Blue Peter,