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1. Oxford American Dictionary

   sieve element

   • IPA[siv]

   • n.
     an elongated cell in the phloem of a vascular plant, in which the primary wall is perforated by pores through which water is conducted.

   • noun: sieve element, plural noun: sieve elements

2. • 相關詞

   sieve tube element

   • n.
     a sieve element of a type present in angiosperms, a series of which are joined end to end to ...

   Oxford American Dictionary

   sieve tube element

   • n.
     a sieve element of a type present in angiosperms, a series of which are joined end to end to ...

   Oxford Dictionary

3. • 更多解釋

   sieve element

   • n.
     an elongated cell in the phloem of a vascular plant, in which the primary wall is perforated by ...

   Oxford Dictionary