VOA慢速英语:Russian Team Escapes Olympic Ban(翻译)

ban – v. to forbid (someone) from doing or being part of something

doping – n. the illegal use of a drug (such as a steroid) to improve an athlete's performance

grateful – adj. feeling or showing thanks

switch – v. to change or replace (something) with another thing

pass the buck – v. to avoid a responsibility by giving it to someone else