a. 中级的, 中等的, 次要的, 第二的, 从属的, 辅助的
[化] 仲(指CH-3...CH(CH-3)-型支链烃基或指二元胺及R-2CHOH型的醇); 第二
英文释义
n. the defensive football players who line up behind the linemen
a. being of second rank or importance or value; not direct or immediate
s. depending on or incidental to what is original or primary
s. not of major importance