Ukranian President Volodomyr Zelenskyy has taken his pleas for further Russian sanctions and a no-fly zone over his country to the US Congress where he was supported with a standing ovation as Russian troops ramp up their offensive against the embattled nation. - 求め続けてきたウクライナ上空の飛行禁止区域の設置は果たせませんでしたが、米国は同日に追加軍事支援を発表しました。