1. That's because the stimulant constricts blood vessels and may reduce blood flow to the fetus. 因为这种刺激性的物质会压缩血管并可能减小流到胎儿的血量。
2. Peppermint oil is a nice stimulant for the skin and mucous membranes and causes cells to regenerate. 欧薄荷精油是一个对皮肤与粘膜而言很好的激励精油，并让细胞再生。
3. A strong - smelling gum resin from the stems of a plant(Dorema ammoniacum)of western Asia, formerly used in perfumery and in medicine as an expectorant and a stimulant. 氨草胶西亚的一种取自植物茎中的、有强烈味道的胶性树脂（氨草胶），以前用来制造香水和药物，如去痰药和兴奋剂。
英英解释
n.
1. any stimulating information or event; acts to arouse action
2. a drug that temporarily quickens some vital process adj.
1. that stimulates
