就连人们通常觉得有刺激作用的咖啡因,也表现出了这种特性,它在浓度极低的情况下会抑制老鼠的运动,而在浓度较高的情况下则会刺激老鼠。
The runaway success of The Pickwick Papers, as it is generally known today, secured Dickens's fame.如今举世闻名的《匹克威克外传》的巨大成功使狄更斯声名鹊起。
Merit-based aid is aid offered to students who achieve excellence in a given area, and is generally known as academic, athletic and artistic merit scholarships.以成绩为基础的奖学金是为在某一领域取得优异成绩的学生提供的奖学金,常见的包括学术、体育和艺术奖学金。