n (1)季(节)(one of the four equal natural divisions of the year，marked by different weather and temperature，etc)[C]：the four～s 四季;the cycle of the～s季节循环;a dry/rainy/cold/warm/hurricane～旱季/雨季/寒冷季节/温暖季节/飓风季节;in the monsoon～在季风季节 ;Spring and summer are my favourite～s.我最喜欢春夏两季。〖同〗period;

(2)时令(节)，旺季(period of the year during which a certain activity takes place，and sth is best and available)[C]：the growing/breeding/mating/flowering/nesting～生长/繁殖/交配/开花/筑巢季节;the baseball/opera/holiday/tourist/Christmas～棒球赛季/歌剧演出季/休假季节/旅游旺季/圣诞期间;apple/peach/tomato/oyster～s 苹果/桃子/西红柿/牡蛎旺季;During the～he goes shooting each week.到了季节，他每周都去狩猎。the busy/slack～in business 生意旺季/淡季;the～of goodwill 圣诞节;〖同〗time，period;

(3)社交、娱乐活动等繁忙期(period of the year during which planned entertainments，esp plays，concerts，films are put on，and social events are held)[C，通常sing]：a～of concerts音乐节;a～of French films 法国电影上映季;In the autumn～on TV there will be more documenting.秋季电视节目中有更多的纪实片。The London～lasts from May to July.伦敦的社交繁忙季节从5月持续到7月。

in season 1)应时(当令)的：Asparagus/Strawberries/Apples/Plums will be in～.芦笋(龙须菜)/草莓/苹果/李子快应季了。2)度假;旅游时期：Air fairs cost more in～.机票在旅游旺季票价最高。Hotel rooms are often full in～.旅游旺季旅馆房间时常爆满。3)适时：a word in～合时宜的话;learn to drive in～适当的时候学习驾驶; 4)准许狩猎期：Red grouse/Trout will be in～next month.下月可以猎捕松鸡/鳟鱼了。

out of season 1)不当令(上市);不在旺季：Oysters/Peaches are out of～.牡蛎/桃子现在不应时。2)在度假(旅游)淡季：Plane reservations are cheaper when you go out of～.在淡季旅游时，预订机票价格便宜。