显微镜下可以看到这些细胞有着细丝状的结构。

Under the microscope, these cells show ___thread-like structures.

这种植物的根部有细丝状的结构。

The roots of this plant have a ___thread-like structure.

蜘蛛丝在阳光下呈现出一种纤细如线的形态。

The spider's web showed a ___thread-like appearance in the sunlight.