The chromosomes in root tip cells of Trifoliate orange(Poncirus trifoliata Raf. )and Ichang papeda(Citrus ichangensis Swingle)were observed by enzymic maceration technique.
用酶解法观察了枳和宜昌橙根尖细胞的染色体。
One of them, I noticed as it skimmed my head, had a bright orange bill with a black tip: an exhilarating moment.
当它们其中的一只掠我的头顶时，我注意到它黄色的喙上有点黑颜色：多么令人兴奋的一刹。
One of them, I noticed as it skimmed my head, had a bright orange bill with a black tip: an exhilarating moment.
当它们其中的一只掠我的头顶时，我注意到它黄色的喙上有点黑颜色：多么令人兴奋的一刹。
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