Ctenoid
a. 櫛狀的, 有櫛齒狀邊緣的, 櫛齒鱗科的
??? 情景例句
Oh, that's wonderful! That's wonderful!
噢， 真是美極了 ，真是美極了！
Lots of people like stamp collecting.
許多人喜歡集郵。
How was this possible?
這種傳遞是怎樣進(jìn)行的呢？