What is a diver?

Squeeze the bottle with your hand and observe the movement of the diver. When you release your hand, you will see the diver moving upward. Gently squeeze the bottle with your hand and the diver moves downward. Release your hands and you will find that the diver moves upward.

The reason for this phenomenon is the change in air pressure in the bottle.

The extension of diver

Diving as a term on the Internet means a registered user on some online forums. The behavior of rarely posting after registration is like disappearing under the water. Same, haven't shown up for a long time. This situation usually occurs when a netizen makes a mistake or makes a fool of himself in a discussion, is unable to face other forum members, or is forced by external environment pressure and disappears from the forum.

Diver, also known as CDROM in Hong Kong and Macau, refers to a user who has not spoken on a certain forum for a long time. Divers' permissions will be restricted, such as not being able to download attachments provided in posts. But usually after replying to a post, or creating a new post, the restriction will be lifted and the diver logo will disappear.

The word "Diving" and the video game term "Quji" formed the slogan "Diving is afraid of Quji" and appeared in the comprehensive ability test paper of Paper 5 of the Chinese Language Subject of the Hong Kong Certificate of Education Examination held on April 26, 2008.