Chemical. Poisoning or injury caused by chemical substances, including ex-military chemical warfare agents or legitimate but harmful household or industrial chemicals.

由于化学物质造成的中毒或伤害，这些化学物质包括以前的军用化学战剂或合法但有害的家用或工业化学品。

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"With little chance of cross-party agreement, legislating became guerrilla warfare, marked by cloture motions and filibusters, legitimate devices in the senatorial arsenal but hardly the path to well-crafted legislation to attract bipartisan support, " she wrote.

NPR: Snowe Presses For Bipartisanship In New Book