2. After brewing, the soup will be served quickly for the first time, no more than 30 seconds at most. When taking out the soup, he should put his hand over the bowl and pour the tea soup into the teacup as soon as possible without hesitation. After taking out the soup, he should rinse it again in a covered bowl, and the time for taking out the soup for the second time can be extended by one minute. After each increase, you can increase the time to take out the soup for one minute, and you can repeatedly put in the old eyebrows.