Writing is a physical act, but it should not cause too much physical stress.

书写是种体力活动，但是也不应造成太大的身体压力。

youdao

No, the difficulty lies not in assuming a childs history but in the painful physical act of the change itself.

不，困难不在于延续孩子的经历，而在交换本身，那是种痛苦的肢体行为。

youdao

And though standing apart, Rahul can sense this physical act, the warmth of his child's body, the comforting caress of her hand.

虽然站在一边，拉胡尔仍能感到他们身体的动作，他孩子身体的温度，她的手的慰藉的抚摩。

youdao

The expression probably comes from the physical act of turning your back toward someone, instead of speaking to him face-to-face.

VOA: special.2009.12.13

The last piece of advice I have is about the physical act of getting your money.

BBC: Travel money: When is the best time to buy?

The saliva produced in the mouth by the physical act of chewing can wash away acids and bacteria, thereby protecting teeth.

CNN: Chew on this: Gum may be good for body, mind

"What I firmly believe is that financial risk-taking is a profoundly physical act, " says John Coates who jointly ran the study and is himself a former bank trader.

BBC: The psychology of the rogue trader