Under a microscope, a cell looks like a bit of clear jelly with a thin wall round it.

在显微镜下，细胞看上去如一滴透明的胶状物体，周围有一层很薄的壁。with。

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But when it into a light beam was a small acute Angle, the light energy will be returned only on the surface of reflection, but merely illuminate the thin cell wall.

但是当这束光被折成一个很小的锐角时，光的能量就会仅从细胞表面反射回来，而仅仅照亮薄薄的细胞外壁。

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But when it into a light beam was a small acute Angle, the light energy will be returned only on the surface of reflection, but merely illuminate the thin cell wall.

但是当这束光被折成一个很小的锐角时，光的能量就会仅从细胞表面反射回来，而仅仅照亮薄薄的细胞外壁。

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