用作不及物动词
▲S+～(+A)
Toy sales peaked just before Christmas.玩具销售额在圣诞节前夕达到最高峰。
Middle school enrollments will peak this year.今年中学入学人数将达到高峰。

［同义词］ n.  climax, point, top
［反义词］ n.  foot

1.peak用作名词的基本意思是“山峰,山顶”,也可指带尖峰的“高山”,用于比喻时可指数量、比率、水平等的“最高点,最高水平; 高峰”。
2.peak在句中还置于其他名词前用作定语。

The plane flew over the peaks.飞机在山峰上飞过。
The wind blew the waves into great peaks.风把浪刮得高高耸起。
He's at the peak of his career.他正处于事业的巅峰。
Computer technology has not yet reached its peak.计算机技术尚未达到顶峰。
Traffic reaches a peak between 8 and 9 in the morning.早晨八、九点钟是交通的高峰时刻。
Membership was already near its peak.会员人数已接近最高数额。
Athletes have to train continuously to stay in peak condition.运动员必须不断训练才能保持最佳竞技状态。