n.着色；生锈
动词stain的现在分词.
Suitable clothing should be worn as some staining may occur. 对于破旧的衣物，着色也是会存在的。
It is intended for the lubrication of any chain and mechanism in that industry where usual products cannot be used due to the contamination are staining risks. 对于污染及生锈等原因普通润滑剂不能满足润滑要求的工业设备及链条，此润滑剂将达到极好的效果。
adj.支持的；持续的；有帮助的
v.戒绝；弃权；节制
adj.自给自立的
adj.维持生命的
