S 开头单词
seasonal deficit [经济学]季节性赤字
seasonal cycle [经] 季节周期
seasonal change 季节变化
seasonal business fluctuation [经济学]季节性营业波动
seasonal brackish [航空、航天科学技术]季节性半咸水域
seasonal allergic rhinitis 季节性变态反应性鼻炎 季节性变应性鼻炎
seasonal affective disorder 季节性情感障碍（指人在冬季时因日照缩短而表现出的抑郁）。
seasonal adjustment 季节性调整
seasonal adj.季节的；依照季节的；周期性的
seasonably adv.正合时宜地；恰好地
seasonableness n.合季节；合时宜
seasonable goods 适令商品
seasonable business [经济学]季节性营业
seasonable adj.适合于季节的；合于时宜的；应时的
season-ticket n.定期车票；月票
season-high 赛季新高
season-crack n.季裂