英语翻译求翻译,非常急!First,chrissie learned to sign.Signing is a way

英语翻译求翻译,非常急!First,chrissie learned to sign.Signing is a way 英语翻译急,翻译if man is to survive,he will have learned to take a 英语翻译How man first learned to invent works is unknown.Inother 英语翻译Koko is the first gorilla to have been taught sign langu 求翻译The first sign of maturity is the discovery that the volu 《What is the first metal that man learned to use》 初中英语求翻译A good way to pass an exam is to work hard every day 英语翻译i have learned a lot that way 翻译 句子 还有其中a lot 作learnt 的什 急 Is your way to learn English good?翻译 英语翻译The best way to come first is to go last.An analysis of 英语翻译芮芮的座右铭翻译：The test of a first rate of intelligence is to 翻译为汉语Is there no way to keep this part as our first design?