Assignment to the 2nd Infantry Division (2nd ID) followed on 21 September 1917, and earned them the unofficial nickname as the Indianheads.是什么意思_Assignment to the 2nd Infantry Division (2nd ID) followed on 21 September 1917, and earned them the unofficial nickname as the Indianheads.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句