a substance that raises levels of physiological or nervous activity in the body
兴奋剂。
something that increases activity, interest, or enthusiasm in a specified field
刺激物,激励物
-
population growth is a major stimulant to industrial development .人口增长是刺激工业发展的一个主要因素。
raising levels of physiological or nervous activity in the body
使兴奋的;刺激性的
-
caffeine has stimulant effects on the heart .咖啡因对心脏有刺激作用。
"early 18th cent.: from Latin