納 nàNà bring in, accept Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: nano- All meanings 7 nà 6 enjoy 1nano- 1pay 1receive 1stitch 1take as a concubine 1Nà 1 Na 1 1 sentence for 納 (nà — nano-) 这台仪器的反应时间缩短到了纳秒级别。 zhè tái yíqì de fǎnyìng shíjiān suōduǎn dào le nà miǎo jíbié. The response time of this instrument has been reduced to the nanosecond level. Source: Dong Chinese Dictionary