| 释义 |
| | | | NOUN | | | | | /ˈbləʊˌhəʊl/ | | | | | 1 | a hole in the top of the head of a sea animal such as a whale or dolphin , through which it breathes （鲸、海豚等的）鼻孔 | | | | 2 | a hole in the surface of ice that sea animals such as whales and seals use to breathe through （在冰面上供鲸、海豹等呼吸空气的）冰孔 | | | | 3 | a hole in a tunnel through which gases can escape （隧道的）通风孔，出气孔 | | |