Up is the abbreviation of upload, which is a network vocabulary introduced from Japan. Acfun, Billie Billie Video Network and ACGN Video Network in China are often used.

Precautions:

The up of English words generally means upward, and different parts of speech have different meanings.

1, adv (adverb): on top, on high; Get up, get up; Upward; From low to high.

He jumped up from the chair.

2.adj (adjective): upward; Rise; Upright, vertical; It's improved

Example: The mood here is very high. The atmosphere here is very lively.

3.vt (transitive verbs, nouns can be added after verbs)&; Vi (intransitive verb, no noun can be added after the verb): increase; Accelerate; Improve; Lift it up and pick it up.