Read Edit View history 白鼠 báishǔ lab rat Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 白鼠 · báishǔ · lab rat 2026/03/14 白鼠 báishǔ lab rat a white mouse or rat used in scientific or medical experiments; metaphorically refers to human test subjects in trials or studies. 我们不是小白鼠。 noun created sense Mar 14, 2026, 08:43 PM