weak [13] Etymologically, something that is weak is bendable. The word was borrowed from Old Norse veikr. This was descended from prehistoric Germanic *waikwaz, which also produced German weich and Dutch weeksoft.And this in turn was formed...
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...