to circle; to go back; to turn around; to answer; to return; to revolve; Hui religious minority (Chinese Muslims); time; classifier for acts of a play; section or chapter (of a classic book)[cedict]
污水处理厂
wū shuǐ chǔ lǐ chǎngㄨ ㄕㄨㄟˇ ㄔㄨˇ ㄌㄧˇ ㄔㄤˇ
water treatment plant[cedict]
去
qùㄑㄩˋ
to go; to leave; to remove; fourth tone of putonghua[cedict]