参***：不对。 原因：动词重叠 be是系动词，focus是实意动词，两个动词不能连用 如果需要连用的话，focus要变成ing形式或者focused，be focusing/focused on 例如： Many firms are focusing on increasing markets overseas. 许多商行都专注于扩大国外市场. It's as if all eyes are...

发布时间：2026-03-21 浏览量：1

美 ['foʊkəs ɑːn] 英 ['fəʊkəs ɒn] focus on Verb center upon;"Her entire attention centered on her children""Our day revolved around our work" focus on例句 用作及物动词(vt.)We must concentrate our attention on...

发布时间：2025-08-20 浏览量：34