“answer the call of nature”造句，怎么用answer the call of nature造句

At one point, as we drove along a rural road far out in the countryside, I had to answer the call of nature.

He had to leave suddenly to answer the call of nature.

In the 10-minute break, children have been required by the head teacher Liu to sit on theirseats and make an application if they want to answer the call of nature.