On the other hand, C4 photosynthesis seems to have evolved more than 50 times, in 19 families of plant.
On the other hand, C4 photosynthesis seems to have evolved more than 50 times, in 19 families of plant.
此外，C4光合作用可见于19科植物中，至今可能经历了50次以上的进化。
On the other hand, C4 photosynthesis seems to have evolved more than 50 times, in 19 families of plant.
此外，C4光合作用可见于19科植物中，至今可能经历了50次以上的进化。