他们正在参观用英语怎么写

They are visiting

参观───visit;正在───In progress

Xiao Zhang has gone to accompany a delegation on a visit abroad.───小张随同代表团出国访问去了.

He has decided to prolong his visit through the weekend.───他已决定把他的访问延长到过完周末.

In the evenings, friends would visit.───晚上朋友们会来拜访。

I am to visit Mr. Green tomorrow.───我明天要去拜访格林先生.

I always associate that song with my visit to Hawaii.───听到那支歌我就会联想到我的夏威夷之行.

Again and again she hinted about the intention of her visit to me.───她反复向我暗示她来访的意图.

His visit to a counsellor really helped him get thingsoff his chest.───与咨询员的谈话让他将心事一吐为快.

I timed our visit for March 7.───我把我们访问时间定在3月7日。

He made a nostalgic return visit to Germany.

We have a standing invitation to visit them anytime.

Our projected visit had to be cancelled.

Your company adds to the enjoyment of our visit.

This is my first visit to Tokyo.