英语语法分析

The three most important varieties are chrysotile, crocidolite and amosite.

三种最主要的品种是温石棉，青石棉和铁石棉。

The principal forms of asbestos are chrysotile (white asbestos) and crocidolite (blue asbestos).

石棉的主要形式是温石棉（白石棉）及青石棉（蓝石棉）。

Objective to study the genetic toxic effect of cigarette smoking and chrysotile on human embryo lung (HEL) cells.

目的研究吸烟与温石棉对细胞的遗传毒性。