preformation的翻译,读音

英/.pri:fɒ:'meiʃәn/

释义:

单词preformation书写

n. 预先形成
[医] 先成说, 预成说
n. a theory (popular in the 18th century and now discredited) that an individual develops by simple enlargement of a tiny fully formed organism (a homunculus) that exists in the germ cell