The gas inhibits acetylcholinesterase, an enzyme responsible for the breakdown of a chemical messenger responsible for muscle control, which is how it causes much of its ill effects.

而在神经与肌肉之间充当“信使”的是一种叫做乙酰胆碱酯的酶，神经毒气正是通过抑制这种酶的工作来发挥作用的。

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The process of denudation of rocks, including physical, chemical and biological breakdown and transportation.

岩石的剥蚀作用过程，包括物理的，化学的和生物的破坏及搬运作用。

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Using chemical mesa etching to increase the breakdown voltage.

化学腐蚀形成台面提高反向击穿电压；

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Unlike oil, the dye has the same density as the surrounding water, does not coagulate or form slicks, and is not subject to chemical breakdown by bacteria or other forces.

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It works similarly to many pesticides, by blocking the breakdown of acetylcholine, a major neurotransmitter, leading to a rapid buildup of this chemical in the body.

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