利他能 [ㄌㄧˋ ㄊㄚ ㄋㄥˊ; li4 ta1 neng2] Ritalin (brand name) methylphenidate (stimulant drug used to treat ADHD) also written 利他林[ㄌㄧˋ ㄊㄚ ㄌㄧㄣˊ; li4 ta1 lin2] ◄ ►