史威可说：“这是你称作从梯顶向下的一种 视域 ——那就是说，一级。”

"That's what you call a view from the top of the stairs-one stair, that is, " Schweickart said.

youdao

史威可说：“这是你称作从梯顶向下的一种 视域 ——那就是说，一级。”

"That's what you call a view from the top of the stairs-one stair, that is, " Schweickart said.

youdao