介導(dǎo)疼痛的分子非常古老，揭示了這種感覺在進(jìn)化中的深遠(yuǎn)根源。
The molecules that mediate pain are ancient, revealing how deeply rooted this sensation is in evolution.
Sustainability isn't an option; it's a necessity for the future of our industry.
素描不僅是測量并且記錄，而且還是接納。
無論多么艱難，永遠(yuǎn)不要放棄你的夢想。