inward

她转向内心，思考自己的感受。

She turned her attention ___inward to reflect on her feelings.

窗户是向内开的，所以不会碰到外面的行人。

The window opens ___inward, so it won't hit pedestrians outside.

她深呼吸，感觉空气缓缓流入肺部。

She took a deep breath, feeling the air flow ___inward into her lungs.