Secondly, I didn't know that you were working for an organization trying to save wildlife, but it sounds very exciting.

其次，我之前不知道你在为一个致力于拯救野生动物的组织工作，但这听起来非常令人兴奋。 ### 解释 Secondly 是序数词 second（第二）的副词形式，由 second 加后缀 -ly 构成，用于列举观点或步骤时表示"第二点""其次"的意思。