Tissue cells and bacteria are semi - transparent - light penetrating through cells causes shadings and reveals texture.

组织细胞和细菌是半透明的,所以光能透过细胞,投下阴影并显出内部结构.

互联网

Tissue cells and bacteria are semilight penetrating through cells causes shadings and reveals texture.

组织细胞及细菌是半透明的,透过细胞的光会制造阴影并反映出其结构.

互联网