They are sitting under the tree

正坐───Sitting;树下───under the tree

We were sitting there talking this and that.───我们坐在那儿谈这谈那.

They were all sitting round the fire.───他们正围坐在炉火旁.

He was sitting alone, smoking a big cigar.───他独自坐在那儿，抽着一只大雪茄。

The cat was sitting on an upturned crate.───猫儿蹲坐在倒放的板条箱上.

She was sitting at her desk.───她坐在书桌前。

The hen is sitting.───母鸡抱窝了.

She was sitting in a hospital bed, her plastered leg up in the air.───她坐在病床上，一条打了石膏的腿悬在空中。

She was sitting in an armchair with blankets wrapped round her.───她坐在扶手椅中，身上裹着毯子。