When you heat ice, it melts., When you cool water a lot, it freezes., If clouds are too heavy, it rains., When the sun heats the sea water, water goes up into the air., If it's very cold, it snows., If it's warm, snow melts.,

AS4 Unit 9 Zero Conditional

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?