zài / lěng / què / guò / chéng / zhōng / róng / yè / kāi / shǐ / chéng / hé / bìng / zhú / jiàn / xíng / chéng / jīng / tǐ在冷却过程中,溶液开始成核并逐渐形成晶体。During cooling, the solution began to nucleate and gradually formed crystals.