Sales peaked in August, then fell sharply.

Whisk the egg whites until they form stiff peaks.

将蛋清搅打至起尖发稠。

Traffic reaches its peak between 8 and 9 in the morning.

上午8、9点钟之间是交通高峰期。

It was a time of peak demand for the product.

那是对该产品需求最旺的时期。

We need extra help during the peak season .

我们在最繁忙的季节需要额外人手。

...the snow-covered peaks.

积雪覆盖的山顶

Unemployment peaked at 17%.

失业率达到17%的最高点。

Oil production is down from its peak of two years ago.

石油生产已比不上两年前的鼎盛时期。

The party's membership has fallen from a peak of fifty-thousand after the Second World War...

二战后该党党员人数已从5万人的峰值下降了。

We bought it at the wrong time and paid the peak price.

我们买的时机不合适，买了个最高价。

snow-capped/jagged peaks

积雪覆盖的 / 嶙峋怪异的群峰

Gasoline prices are 14% below the peak level they hit in November.

汽油价格比11月的最高点下跌了14%。

Some scientists believe we have already reached peak oil.

一些科学家认为我们已经到达石油峰值。

Whisk the egg whites into stiff peaks.

把蛋清搅成硬尖状。

March is one of the peak periods for our business.

三月是我们公司业务最繁忙的时期之一。

a mountain peak

山峰

Oil production peaked in the early 1980s.

20世纪80年代初期，石油产量达到了最高峰。

an athlete who peaks (= produces his or her best performance) at just the right time

一位恰在最佳时刻缔造出最佳成绩的运动员

The climbers made camp halfway up the peak.

登山者在半山腰设置营地。

The athletes are all in peak condition .

所有运动员都处在巅峰状态。

Calls cost 36p (cheap rate) and 48p (peak rate) per minute...

电话每分钟36便士（优惠费率）和48便士（高峰费率）。