n.顶点，顶峰,
Merriam-Webster Online Dictionary
peak (noun)1.
a pointed or projecting part of a garment , especially the visor of a cap or hat
2.
- promontory
3.
a sharp or pointed end
4.
a) (1) the top of a hill or mountain ending in a point
(2) a prominent mountain usually having a well-defined summit
b) something resembling a mountain peak
5.
a) the upper aftermost corner of a fore-and-aft sail
b) the narrow part of a ship's bow or stern or the part of the hold in it
6.
a) the highest level or greatest degree
b) a high point in a course of development especially as represented on a graph
7.
- widow's peak summit
intransitive verb
transitive verb
to reach a maximum (as of capacity, value, or activity) - often used with out to cause to come to a peak, point, or maximum
being at or reaching the maximum - peak levels peak output , also of, relating to, or being a period of maximum intensity or activity - peak business hours
intransitive verb
1.
to grow thin or sickly
2.
to dwindle away
transitive verb
1.
to set (as a gaff) nearer the perpendicular
2.
to hold (oars) with blades well raised
Merriam-Webster Online Thesaurus
peak (noun)1.
an elevation of land higher than a hill
SYNONYMS:
alp, hump, mount, peakRELATED WORDS:
cordillera, mountain range, range, sierra; inselberg, knob, seamount; aiguille, horn, mountaintop, pinnacle, summitNEAR ANTONYMS:
basin, bowl, depression, hollow, vale, valley2.
the highest part or point
SYNONYMS:
acme, apex, apogee, capstone, climax, crescendo, crest, crown, culmination, head, high noon, high tide, high-water mark, meridian, ne plus ultra, noon, noontime, peak, pinnacle, sum, summit, tip-top, top, zenithRELATED WORDS:
bloom, blossom, flood tide, flower, glory, heyday, prime; cap, ceiling, roof; extreme, extremity, tip, vertex; high, highlight, highspotNEAR ANTONYMS:
abyss, base, foot; minimum3.
the projecting front part of a hat or cap
SYNONYMS:
bill, brim, peakRELATED WORDS:
shade