AP News:美国前驻乌特使为"通乌门"作证

thriving繁荣的

He has built a thriving wholesale business, but not without setbacks.
他建立了一个繁荣的批发业务，但并非没有挫折。 

2.Volker is the first witness in the trump impeachment inquiry which surrounds a july phone call in which Trump is accused of pressing Ukraine's president to investigate the Bidens.

impeachment弹劾

In eight years, she battled impeachment attempts and attempts of a military takeover.
八年来，她挫败了弹劾她以及军事接管的企图。