单词 metstrus 释义 metstrus Biol.|mtistrs|Also -um, (U.S.) metestrus |-strs, -istrs|, -um.[f. meta- + strus, strum.]The short period following strus in many mammals during which sexual activity subsides.1900W. Heape in Q. Jrnl. Microsc. Sci. XLIV. 8 Mets...