网球明星们在澳网公开赛前与隔离作斗争

positive- adj. in a medical test, positive means the person being tested has a disease or condition

quarantine- n. the period of time during which a person or animal that has a disease or that might have a disease is kept away from others to prevent the disease from spreading

bubble- n. an isolated group of people

frustration- n. the feeling of being annoyed or upset because things are not happening the way you want them to

chatter- n. casual talk that is usually not important or interesting

coach- n. a person who teaches and trains an athlete or performer

zero tolerance- n. a policy of giving the most severe punishment possible to every person who commits a crime or breaks a rule

tough- adj. very difficult to do or deal with