（主干道旁的）服务站 We stopped in the services to receive gasoline. 我们在服务站停下来加油。 Notwithstanding such physical similarities, animal and plant waxes vary chemically from petroleum, or hydrocarbon, waxes and synthetic waxes. They can be esters that outcome from a reaction amongst fatty acids and selected alcohols besides glycerol, both of a bunch termed https://wordpress07062.bloggerbags.com/37493287/an-unbiased-view-of-wax