The goal is complete abstention from all mind-altering substances.目标是彻底戒绝所有致幻物质。Abstention is traditionally high in Colombia.在哥伦比亚，弃权率历来较高。There were high levels of abstention in the election.那次选举中有许多人弃权....
The mediaeval burgesses and the small peasant proprietors were the precursors of the modern bourgeoisie.中世纪的城关市民等级和小农等级是现代资产阶级的前身.Some individual proprietors join forces with others to form chains of independents or coop...
石膏与岩盐则逐渐变薄或完全被溶解掉.Gypsum and halite are simply thinned or removed altogether.例如松弛, 上唇出现唇纹, 嘴唇变薄.For example, relaxation, upper lip appeared lip wrinkles, thinning lips.我们如何能有效地抑制臭氧层的变薄?What can we do to effectively curb ...