Auxin also causes the plant to develop a vascular system, to form lateral roots, and to produce ethylene.

生长素还能使植物形成维管系统，形成侧根，并产生乙烯。

youdao

In other words, the brain, spinal cord, cranial nerves, peripheral nerves, nerve roots, autonomic nervous system, neuromuscular junction, and muscles.

换句话说，脑、脊髓、颅神经、周围神经、神经根、自主神经系统、神经肌肉接点和肌肉。

youdao

Then, slowly, the trees around them begin to pulse with a faint radiant energy. The bioluminescence spreads throughout the roots, until they glow like a vast system of fiberoptics.

然后 慢慢地 附近的树开始微微脉动着能量 荧光蔓延到整个根脉 直到它们像一个巨大的光网一样发出光芒。

youdao

In truth, much of what ails the U.S. health system has its roots in misguided public policies.

FORBES: Top 4 Reasons Obamacare Will Harm U.S. Competitiveness

The problem that forward thinkers on cyber security like Kendall, Alexander, and former deputy defense secretary Bill Lynn face is that the existing information grid and acquisition system have spawned constituencies with deep roots in the political system.

FORBES: Pentagon Tech Chief Points To Big Problem In Protecting Networks

Top lawmakers talked of pulling the income-tax system out by its roots.

ECONOMIST: George Bush's tax agenda: Handing it back | The