distrait

她吃晚饭时心不在焉，把盐当成了糖倒进咖啡里。

She was so ___distrait during dinner that she poured salt into her coffee instead of sugar.

那位心不在焉的教授走进了错误的教室，开始给一屋子困惑的化学系学生讲起课来。

The ___distrait professor walked into the wrong lecture hall and began teaching to a room full of confused chemistry students.

他因心神恍惚加上精疲力竭，把公文包落在了火车站台上，直到走进办公室才察觉。

___Distrait and exhausted, he left his briefcase on the train platform and didn't realize it until he reached his office.