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“層積”的拼音為：céng jī...

實踐上, 種子不需要干藏而是采種后即層積.In practice, seeds should not be stored dry but stratified on removal from the fruit.我爬上三層積滿灰塵的樓梯, 禁不住凄然淚下,又加衣衫單薄冷得直打哆嗦.I went up three dusty flights of stairs and I cried, shivering in my thin coat....

“層積”的英語可以翻譯為：lamination ...