toxic-free

常见例句

• It is not considered toxic, but is an irritant.
  它被视为无毒，但是它是刺激物。
• As with regular clays, the fumes are not toxic unless the LS burns.
  与常规陶泥一样，烘焙时的烟气是无毒的，除非燃烧起来。
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