| 单词 | hole |
| 释义 | Word Frequency hole(həʊl) noun 1. an area hollowed out in a solid 2. an opening made in or through something 3. an animal's hiding place or burrow 4. informal an unattractive place, such as a town or a dwelling 5. informal a cell or dungeon 6. US informal a small anchorage 7. a fault (esp in the phrase pick holes in) 8. slang a difficult and embarrassing situation 9. the cavity in various games into which the ball must be thrust 10. (on a golf course) a. the cup on each of the greens b. each of the divisions of a course (usually 18) represented by the distance between the tee and a green c. the score made in striking the ball from the tee into the hole 11. physics a. a vacancy in a nearly full band of quantum states of electrons in a semiconductor or an insulator. Under the action of an electric field holes behave as carriers of positive charge b. (as modifier) hole current c. a vacancy in the nearly full continuum of quantum states of negative energy of fermions. A hole appears as the antiparticle of the fermion 12. in holes 13. in the hole 14. make a hole in verb 15. to make a hole or holes in (something) 16. (when intr, often foll by out) golf to hit (the ball) into the hole Word origin Old English hol; related to Gothic hulundi, German Höhle, Old Norse hylr pool, Latin caulis hollow stem; see hollow |
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