Yahoo奇摩字典 網頁搜尋

搜尋結果

1. Oxford American Dictionary

   international unit

   • IPA[ˈin(t)ərˌnaSHənl]

   • n.
     a unit of activity or potency for vitamins, hormones, or other substances, defined individually for each substance in terms of the activity of a standard quantity or preparation.

   • noun: international unit, plural noun: international units