单词查询

pentanes

释义

网络释义: 粗重组戊烷;戊烷类;拔头油;

例句

Only three of hexane structures can be named on the basis of the prefixes that have been applied to the pentanes .
只有三种已烷结构可以根据加在戊烷前的词头来命名。

单词卡片