1to arrange in order
2to emit; to discharge (exhaust gas, waste water etc)
3(of animals) to ovulate; to discharge semen
Example
yóu yú由于yī xiē一些gōng chǎng工厂shǐ yòng使用kuàng矿wù物rán liào燃料，huà xué化学pǐn品de的pái fàng排放yǐ jīng已经chǎn shēng产生yán zhòng严重de的huán jìng环境wèn tí问题。
由于一些工厂使用矿物燃料，化学品的排放已经产生严重的环境问题。
As a result of some factories using fossil fuels, chemical emissions have already caused serious environmental problems.