- Phytohormones, especially auxin, play essential roles in coordination of these two regulation mechanisms.
植物激素，尤其是生长素在协调体内外调节机制中起着不可或缺的作用。
- It is mot feasible to wait a few days until the body's regulatory mechanisms are used to a new time zone.
等待几天直到身体的调节机制自然适应新时区，这并不可行。
