The artificial sweetener sorbitol has a laxative effect...人工甜味剂山梨糖醇有通便作用。Some laxative drugs such as magnesium sulfate , Bisatin, phenolphthalein, glycerol etc for common use were introduced.介绍了几种治疗慢性便秘的药剂,包括:硫酸镁, 比沙啶,酚酞...
He was hewing away at the trunk of the tree.他不停地照着树干砍去.He was hewing away at the trunktree.他不停地照著树干砍去.I learned in a hard school and I knew the importance of hewing to the line.我在一所要求严格的学校里念过书,因此知道服从纪律的重要性....