The aerial stem is annual and has a ring of vascular bundle and low fiber content.
地上茎一年生,维管束排成一圈,纤维含量低。
英文例句大全为您提供vascular ring英文例句大全,vascular ring英文造句,关于vascular ring的英语句子,单词vascular ring怎么造句,vascular ring英文例句大全有哪些,哪些英语句子是关于vascular ring,英语单词vascular ring的句子,单词vascular ring如何造句,vascular ring怎么造句等。