Auxin, for instance, stimulates the rate of cell elongation, causes shoots to grow up and roots to grow down, and inhibits the growth of lateral shoots.
例如，生长素刺激细胞延伸的速度，促使芽和根生长，而抑制侧枝的生长。
This is followed, over time, by a permanent elongation of the eye.
时间一久，随之而来的是视力永久的伸长。
You must be auxin, cause you are causing me to have rapid stem elongation.
