英语翻译While we were visiting the museum,it seemed as if we had gone back into the past这项措施证明是有用的（prove）安妮非常积极,参加了很多校园活动(active)杰克认真地演讲,但是什么都听不到（attentively）
网友回答
当我们参观博物馆,我们仿佛回到过去.
This measure is proven to be useful.
Anne is very active,she has participated in many campus activities.
Jack delivers his speech attentively,but nothing is heard.
假如第四句有笔误,该是：
杰克认真地（听）演讲,但是什么都听不到（attentively）
Jack is listening to the speech attentively,but can't hear anything.
======以下答案可供参考======
供参考答案1:
当我们访问博物馆时，我们仿佛回到了过去。
This strategy is proven to be useful.
Annie is very active, she has participated in many school activities.
Jack is delivering the lecture attentively, but he couldn't hear anything.
供参考答案2:
当我们在参观博物馆时，我们好像回到了过去。
it proves this measure is useful.
Anne is so active that she joins many campus activities.
Jack is speaking attentively，but can‘t hear anything.