Do Hurricanes Cause Women to Go Into Early Labor?
今度は下のビデオを見てみる。0:19 on land, their pupils will dilate to a small pinhole so that it reduces the glare that they see. but when they're under water, their pupils will dilate extremely large almost the entire size of their iris. アザラシの瞳は陸では眩しさを抑えるためピンホールのように小さくなり、水中では瞳孔の縁まで一杯に広がります。注；constrict の間違いとしてしまえば、それまでだが、dilate の辞書に書かれていない意味が伝わってくるようだ。
What Gives a Seal Perfect Underwater Vision?
練習問題解答
a-8714 until mothers were 4 centimeters dilated
