timeslip

noun

A timesheet. / (science fiction) A phenomenon that causes unexpected time travel.

I forgot to fill out my timeslip for last week.

意味（1）

A timesheet.

Fireman Iver Peterson, whom Fireman Cunningham displaced, also submitted a timeslip claiming 100 miles for deadheading...

意味（2）

(science fiction) A phenomenon that causes unexpected time travel.

In any case, neither Morris nor Adeler used a timeslip like Twain.