雪窗萤火 xuěchuāngyínghuǒ studying under difficult conditions Definitions Defs Origin Strokes Stroke Words Sentences Sents 雪 xuě noun snow snow; frozen water vapor that falls to the ground as white flakes窗 chuāng noun window window; opening in a building, vehicle, or ship to allow in light or air萤火 螢火 yínghuǒ firefly glow the light emitted by a firefly
