Qiú / jīng / kě / yǐ / chǔ / cún / yǎng / fèn / , / bāng / zhù / zhí / wù / dù / guò / hán / lěng / de / dōng / tiān / 。球茎可以储存养分,帮助植物度过寒冷的冬天。Corms store nutrients to help plants survive cold winters.