C2 something that causes growth or activity刺激(物),激勵(物);促進因素
Foreign investment has been a stimulus to the industry.外國投資促進了該産業的發展。
The book will provide a stimulus to research in this very important area.這本書將會對這一重要領域的研究起促進作用。
specialized biology something that causes part of the body to react(使身體部位産生反應的)刺激
The tip of the tongue is sensitive to salt and sweet stimuli and the back of the tongue is sensitive to bitter stimuli.舌尖對糖和鹽的刺激很敏感,而舌根則對苦味的刺激很敏感。