asbestos

n [U] soft fibrous grey mineral substance that can be made into fireproof material or used for heat insulation 石棉（柔软的灰色纤维状矿物, 可用以制造耐火材料或用以隔热）.

as many (much as), as much as, as much as if, as pron, as regards, as soon as, as soon as possible, as sure as fate, as the saying goes, as though, as to, as usual, as well, as well as, as yet, as...as, as...as possible, as...as..., ASA, asap, asbestosis, ascend, ascendancy, ascendancy (also ascendency), ascendant, ascendant (also ascendent), ascension, Ascension Day, ascent, ascertain, ascertainable, ascertainment, ascetic, ascetically, asceticism, ascorbic acid, ascribable, ascribe, ascription, ASEAN,