pái​xiè​xì​tǒng

excretory system

pái​xiè​xì​tǒng excretory system

  1. to excrete
    to discharge waste matter from the body, such as urine, sweat, or feces
  2. system
    A whole composed of parts that work together to perform a function or achieve a goal; a series or group of related things forming a complex whole.

pái​xiè​xì​tǒng drainage system

  1. to drain
    to let out or drain liquid, such as rainwater or factory wastewater
  2. system
    A whole composed of parts that work together to perform a function or achieve a goal; a series or group of related things forming a complex whole.