Firstly, it's expensive, and secondly, it's too slow.首先是价格贵，其次，速度太慢。I don't think I am going today. First , I am feeling a bit tired; secondly, I have been there several times before.我想今天不去了, 一则我有点累, 二则我去过...
The amount of secondly ettringite is affected by the curing condition.二次钙矾石的形成量受养护条件的影响.You need, firstly, a strong independent board of directors and secondly, an experienced and dedicated staff.你首先需要一个强大的独立董事会，其次需要一批富有...