Biden answered in Ottumwa, Iowa, branding the president " an existential threat to this country" .
拜登在爱荷华奥塔姆瓦反击，称总统是这个国家的存在性威胁。
Ottumwa
原声例句
PBS英语讯息
英语百科
Ottumwa, Iowa
（重定向自Ottumwa）
Ottumwa (/əˈtʌmwə/ ə-TUM-wə) is a city in and the county seat of Wapello County, Iowa, United States. The population was 25,023 at the 2010 census. Located in southeastern Iowa, the city is split into northern and southern halves by the Des Moines River.
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