If you heat water,, it boils, If it rains,, the ground gets wet., If you don't eat,, you feel hungry, If you mix red and blue,, you get purple., If the sun sets,, it becomes dark., If you study hard,, you learn more., If plants don't get water,, they die.

zero conditional

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?