母亲没有奶水，新生儿濒于死亡，我一点也不知道，但请你察看一下显微镜下枞树的截断面所形成的奇妙的圆花形！
The mother has no more milk, the new-born babe is dying. I know nothing about that, but just look at this wonderful rosette which a slice of wood-cells of the pine presents under the microscope!
如将显微镜载物台旋转，便能从纤维横断面中看到第三层胞壁。
A third layer of transverse cellulose strands is indicated as the microscope stage is rotated.
如将显微镜载物台旋转，便能从纤维横断面中看到第三层胞壁。
A third layer transverse cellulose strands is indicated as the microscope stage is rotated.
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