Meaning of dēng chǎng:
dēng chǎng
登场
Verb
to go on stage; fig. to appear on the scene; used in advertising to mean new product
Yǎnyuán zhǔnbèi hǎo dēng shàng wǔtái bìng dēngchǎng.
演员准备好登上舞台并登场。
The actor is ready to go on stage and perform.
Xīn diànyǐng de zhǔjiǎo jíjiāng dēng chǎng.
新电影的主角即将登场。
The main character of the new movie is about to appear on the scene.
Zhè gè xīn shǒu jī yǐ jīng dēng chǎng.
这个新手机已经登场。
This new phone has already been launched.