无色无味、无毒、无刺激、无残留、无耐药性、无致畸性；可入口入眼。

It is Colorless tasteless, non-toxic, non-stimulated, no residue, no resistance and no teratogenicity.

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它们是一种无臭，无味无毒的白色粉末，在冷水中溶胀成澄清或微浑浊的胶体溶液。

They are odorless, tasteless, non-toxic white powder, which is expanded into a clear or slightly turbid colloidal solution in cold water.

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气态氮是不活泼的，无色，无嗅，无味，无毒，无腐蚀性，不可燃。

Gaseous nitrogen is inert, colorless, odorless, tasteless, nontoxic, non corrosive, and nonflammable.

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