The boy had the presence of mind to turn off the gas.

那男孩子镇定地关掉了煤气。

Tom was so stunned that he had not even presence of mind enough to say, "Who cares, Miss Smarty?"

汤姆十分惊愕，连一句话也说不出来：“谁在乎呢，自以为是小姐？”

Telepresence without presence of mind.

没有气定神闲的临场感。

He had the presence of mind to record the scene on video.

他镇定自若地用摄像机录下现场。

Jack seems to have lost his presence of mind in his work.

杰克在工作上存在神不守舍的心态。