我想在那个盒子里有几支。

I think there are several pieces in that box.

youdao

它们在那个盒子里。

They're in that box.

youdao

在那个盒子里，科学家用假鱼设计了游动轨迹，基本上，那是由橡胶鱼鳍形成的，和真正的鱼游轨迹十分相似。

Inside the box, the scientists created a trail with their artificial fish, which was essentially a rubber fin on a stick that created a trail similar to the swimming motion of a real fish.

youdao