本文对自由基在吸烟、职业烟尘微粒、金属离子、石英、石棉等理化因素致肺癌中的作用进行简要综述。
The role of free radicals in the lung cancer induced by physical and chemical factors such as smoking, occupational dust particles, metal ions, quartz, asbestos were briefly discussed in this article.
沸石、粘土矿物及石棉都是重要的非金属矿物。
Zeolites, clay minerals, and asbestos are important nonmetallic minerals.
人们在网上讨论过防治这种小偷的最佳方法，包括用废金属做诱饵或用石棉或镜子盖住埋在地下的黄金。
There are online debates about the best way to frustrate such thieves, including using scrap metal as decoys or hiding metal by covering it underground with asbestos or mirrors.
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