moving average

mobile phone

teleportation

(education) instruction that takes place outside of a classroom (field trip, etc.) / (education) class that takes place in its own specialized room instead of homeroom (such as music or cooking)

(rail transport) local train, a train that stops at every station (abbr. 普通)

freight train, goods train

night train

bullet train

extraordinary train operated for Japanese emperor (tenno), empress, and/or empress dowager; royal train

What you like to do, you will do well. To improve your skills in something, you must enjoy doing it.