n.[C]

1. 山顶，山峰；（有尖峰的）山
   The mountain peak was covered with snow.

   山顶被雪覆盖着。

2. 高峰，顶端，最高点
   Tourism is at its peak in August.

   八月是旅游高峰。

3. （物体的）尖端
4. 帽舌
   He wore a black cap with the peak pulled down low over his eyes.

   他带一顶黑帽子，帽舌拉得低低的一直盖到眼睛。

vt.

1. 使尖起，使成峰状
2. 使达到高峰

vi.

1. 达到高峰
   Unemployment peaked at 8.1% in June.

   六月份失业率达到了百分之八点一的高峰。

2. 耸起
   Beat the egg whites until they peak.

   把蛋白打到它们耸起。

a.

1. 最高的，高峰的[B]
   Traffic is very heavy at peak hours.

   在高峰时间交通非常拥挤。

n.

1. the pointed top of a mountain.
   ▸a mountain with a peak.
2. the point of highest activity or achievement.
   ▸a point in a curve or on a graph, or a value of a physical quantity, which is higher than those around it.
3. Brit. a stiff brim at the front of a cap.
4. the upper, outer corner of a sail extended by a gaff.

v.

adj.

▸characterized by maximum activity or demand:

peak hours.

v.