Niàoyè zhōng de chénjīwù kěnéng shuōmíng yǒu jiéshí.
Sediment in the urine may indicate kidney stones.
Tips
usage
Spans geology (river sediment), chemistry (precipitate at the bottom of a flask), and medicine (sediment in urine tests). 沉 = sink, 积 = accumulate, 物 = substance — what has sunk and built up.
