短語詞組短語seasonal fluctuation 季節(jié)性波動;[天]季節(jié)性起伏;[生物]季節(jié)變動;季節(jié)波動Seasonal maintenance 季節(jié)性維護;季候性維護;季候性保護seasonal labour 季節(jié)工;季節(jié)性勞工seasonal cycle [經(jīng)]季節(jié)周期;周期性循環(huán);季節(jié)性循環(huán)seasonal deficit 季節(jié)性赤字seasonal thermocline [海洋]季節(jié)性溫躍層;季節(jié)性躍層Seasonal Courses 季節(jié)性課程;第七;礛seasonal plan [計劃]季度計劃seasonal change 季節(jié)性變化;季節(jié)性;季節(jié)變動;季節(jié)變化seasonal variation 季節(jié)性波動，季節(jié)性變動seasonal affective disorder 季節(jié)性情緒失調(diào)；季節(jié)性情緒波動seasonal adjustment 季節(jié)性調(diào)整 返回 seasonal