Gastroderm
n. [植]內胚葉, 內皮層
??? 情景例句
I don't believe it!
我簡直難以相信！
All one's geese are swans.
自吹自擂。
It often rains,sometimes quite heavily. Everything grows very quickly.
常下雨，且有時下得很大。萬物生長很快。