...语言的发展史,我是一个高一的学生,词汇量最好不要太大,100字...答:When Julius Caesar, later to be Roman Emperor, invaded Britain in BC 54-5, the 'Celtic' tribes lived in the British Isles. Their Celtic languages still survive as 'Gaelic' in Scotland & Ireland, 'Welsh', in Wales, and 'Manx' in the Isle of Man, as well as 'Breton' in...