up [OE] Up is part of a widespread family of Germanic adverbs which also includes German auf, Dutch and Danish op, and Swedish upp. It goes back ultimately to Indo-European *up-, which also produced English over and the prefixes hyper- and...
这个音标发音动画flash非常好, 英语48个音标 教学中,是比较好...
第一个是26个英文字母小写字母发音和书写flash,用鼠标点右下角...
词语释义 1.putty 油灰(窗户玻璃等的接合剂)cf. like putty in o...
1.印欧母语的共同词汇 自从18世纪英国人Sir William Jones(1746~1...