Eustasy
海面进退; 海面升降; 冰河变异
🗣️ 情景例句
when it's very cold out.
冬天外面很冷的时候。
My feeling is that you ought to stay home tonight.
我感觉你应该今晚呆在家。
her flags flying, pennants waving, sails filling in the breeze,
舰旗迎风招展，三角旗随风飘动，微风鼓起风帆，