Erucic acid is preferentially located at the 1,3 position, but more of it is present at the sn- 3 position.是什么意思_Erucic acid is preferentially located at the 1,3 position, but more of it is present at the sn- 3 position.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句