参议院                 cānyìyuàn                       senate

军备竞赛             jūnbèi jìngsài                  armament race

约瑟夫·拜登     Yuēsèfū Bàidēng           Joseph Biden

挑衅                      tiǎoxìn                           provoke; provocative

摧毁                      cuīhuǐ                            destroy

审议                      shěnyì                           consider; discuss

一再                      yízài                              again and again; repeatedly

否决                      fǒujué                            reject; vote against; veto

遏制                      èzhì                               keep within limits; contain

侦察                      zhēnchá                         reconnoitre; scout