The smallest veins are in direct contact with chlorenchyma, both palisade and spongy tissue.最小的脉是直接和栅栏组织及海绵组织的绿色组织相联结....

chlorenchyma的音标：chlorenchyma的英式发音音标为：[klə'reŋkəmə]chlorenchyma的美式发音音标为：[klə'reŋkəmə]...

n.绿色组织...