先进先出 Traditional 先進先出 xiān jìn xiān chū 🔊 first in, first out + Keep this word Meanings xiān jìn xiān chū 先進先出 (computing, inventory management etc) first in, first out Its characters 先xiānbeforehand; first; earlierHSK 3进jìnto go forwardHSK 2出chūto go out; to come outHSK 2