单词 hygienal 释义 hygienal, a. ? Obs.|ha-, hdinl|In 7 hygieinal.[f. as hygiene + -al1.]Relating to hygiene, hygienic.1663Boyle Usefulness Nat. Phil. iv. (heading), The Hygieinal Part of Physick.{var l=document.getElementsByTagName("link");var r=/OED4.cs...