adj.發(fā)達的；成熟的

動詞develop的過去式和過去分詞.

The dolphin has evolved a highly developed jaw. 海豚已經(jīng)進化形成高度發(fā)達的下頜。

Even in an immature seed the embryo is sufficiently well developed. 甚至在未成熟的種子中，胚已充分發(fā)育。

As a precaution, the marrow houses a standby force of fully developed white cells. 為了預防不測，骨髓中還儲存著已經(jīng)完全成熟的白血球后備軍。

adj.未開發(fā)的；不發(fā)達的；未充分發(fā)育的

adj.發(fā)育不全的；不發(fā)達的

動詞underdevelop的過去式和過去分詞.

發(fā)育良好的