芯 xīnxìn HSK7 pith from rush (juncus effusus) Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: All "xin1" meanings All meanings 2 xīn 1 pith 1xìn 1 core 1 1 sentence for 芯 (xīn) 他小心地修剪了油灯的灯芯。 tā xiǎoxīn de xiūjiǎn le yóudēng de dēng xīn. He carefully trimmed the wick of the oil lamp. Source: Dong Chinese Dictionary