In the merciless air war over Russia, sex was no barrier to death, suffering of heroism. One night the Germans shot down four PO-2s within 15 minutes, killing eight women.是什么意思_In the merciless air war over Russia, sex was no barrier to death, suffering of heroism. One night the Germans shot down four PO-2s within 15 minutes, killing eight women.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句