Read Edit View history 头对头 tóuduìtóu head-to-head Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 头对头/ 頭對頭 tóuduìtóu head-to-head (of clinical trials) head-to-head 这种新药正在进行一项头对头临床试验。 Edit Delete References Add reference No references for this word.