1, 30 means thirty, which is usually used to mean thirty in quantity. For example, in a date, 30 days usually refers to the 30th day of a month; When counting, thirty yuan may mean thirty yuan.
Besides replacing the number 30, 30 has other meanings and usages in Chinese. For example, in some dialects, 30 may mean "so" or "so", which is a spoken expression; In some poems or lyrics, 30 may be used to express a feeling or memory, such as "wave your hand for 30 minutes".
3. In addition, 30 also has some special meanings in Chinese network terms. For example, in some chat rooms or forums, 30 may be used to mean "live broadcast" or "live broadcast online". This usage originated from the words "30 emperors" and "30 emperors" that some network anchors said during the live broadcast, and was gradually simplified to "30".
A sentence containing "30"
It took him 30 minutes to finish writing this diary.
The 3rd of this month is the anniversary of our school.
He is over 30 years old, but he is still as energetic as a young man.
Thirty years ago, it was a desolate desert.
It took him half a year to finish this 30-page novel.
The last chapter of this novel was written 30 years ago.
It took him a whole afternoon to wash all the clothes, and it took him 30 minutes in all.
This company has a history of more than 30 years.
The story of this novel happened in a summer 30 years ago.
10, he is over 30 years old, but he still insists on exercising every day.
1 1. This restaurant has been open for 30 years.
His father died 30 years ago.
13. The concert will be held on the 30th of next month.
This company has a history of 30 years.
15, it took him a whole day to finish writing that paper, with a total of 30 pages.