seed leaf

同根派生

Cotyledon (seed leaf) the first leaf of the embryo of seed plants, which is usually simpler in structure than later-formed leaves.
子葉：種子植物胚胎的第一片葉，在結搆上通常比後來形成的葉簡單。
A flowering plant with two embryonic seed leaves or cotyledons that usually appear at germination.
雙子葉植物具有兩片胚籽的或通常在萌芽上有雙子葉的花卉植物
With the wind, these white seeds leave the easeful life, fly to the sky.
伴著輕風拂過，這些白色的種子終於離開了昔日的安樂，飛曏了無邊的天空；
The olive leaf is a badge of peace.
橄欖葉是和平的象征。
The chef sprinkle poppy seed on the cake.
廚師往蛋糕上撒甖粟籽。