acropetal的读音 acropetal中文意思

英音  [ə'krɒpɪtəl] 
美音  [ə'krɒpətəl] 
adj. 向顶的
acropetal 用法和例句
In the early december , the first bract primordium was formed in the axil scale at the cone base , then bract initiation had occurred in acropetal direction .
12月初,最初的苞片原基在雌球果原基的鳞片的叶腋处产生,之后其由基部向顶部连续发生。