旺季的英文：
busy season
peak period

参考例句：

the holiday season;tomato season.
休假旺季;番茄旺季

It's on season and my business is in high gear.
旺季来了，我的生意正在全力进行。

Late winter is the main holiday season in the alpine resort.
冬末时节是阿尔卑胜地的旅游旺季。

Favorable terms for the peak period
旺季优惠

Favorable terms for the peak period (Busy season)
旺季优惠

Traveling during peak season can be a hassle.
在旺季旅行可能是个麻烦。

Fruits are favorably priced for the peak period, and don't miss this golden opportunity.
水果旺季优惠，请勿错过机会。

Hotels are often full in season.
在度假旺季，旅馆经常客满。

Economy fare round trip from Chicago to Honolulu is $476.00 during peak season.
由芝加哥到檀香山的往返经济舱票价，在旺季是467美元。

Because it's peak season right now, the laundry service is running behind schedule.
因为现在是旺季，洗衣服务比原定时间要慢一些。

busy是什么意思：
adj. 忙碌的；忙于···；人来车往的；占线的；纷繁的
v. 忙着做某事
n. 侦探，包打听

Be engaged in; be Busy in
从事于

to sit for business
因公滞留

As Busy as a bee
(象蜜蜂)忙忙碌碌的

season是什么意思：
n. 季节；时节；节期，时令
v. 给…调味；风干；（使）适应；（使）习惯

season cracking
风干裂缝, 应力腐蚀裂纹, 季裂

shooting season
狩猎期

This is not the season for harvest.
现在不是收获的季节。

peak是什么意思：
n. 顶峰；山峰；顶点；尖端；帽舌；帽檐
v. （使）达到高峰，达到最高值；消瘦；变憔悴
adj. 最高的；最大值的

the peaked ceiling; the island's peaked hills.
尖屋顶；岛上尖尖的山。

The peak is enveloped in clouds.
山峰深藏在云雾之中。

The crisis peaked in July 1974.
那场危机在1974年7月达到巅峰。