secondly基本解释
adv,其次；第二,同近
secondly相关例句和用法Firstly, they are not efficient, and secondly, they are expensive to make..首先，它们效率不高，其次，它们的制作成本很高。
secondly英英释义第二，其次英释中释advused when you want to give a second point or fact, or give a second reason for something
