A small step for a man,a giant lean for mankind的出处

That is one small step for a man, one giant leap for mankind That’s one small step for a man ,one giant leap for mankind. -kind做后缀的意思,最近青蛙上天的新闻中one small step for a frog;one giant le 英语翻译Neil Armstrong:"It's one small step for man; one giant l one small step for me,one giant leap for us! great-step-forward什么意思?原句It was a great-step-forward for man Don't lean across the table to reach for things!Don't lean a A Man For All Seasons 的中文歌词 It was ___difficult for me to lean English A;a few B; a litt being beautiful for a man Waiting for a woman man, The destruction of these treasures was a loss for mankind __