sheath的一般过去时怎么拼写

sheath的音标：sheath的英式发音音标为：[ʃi:θ]sheath的美式发音音标为：[ʃiθ]...

Coleorhiza ( pl . coleorhizae ) The protective sheath surrounding the radicle in grasses.胚根鞘:保护幼根的鞘状结构.Conclusion Saber sheath trachea is a sign of rather severe COPD.结论剑鞘气管是较重的copd的标志.Coleoptile A sheath like structure ...

the sheath around an electric cable电线护皮He drew his sword from its sheath.他拔剑出鞘.This suit of clothing is more inexpensive than that sheath.这套衣服比那套便宜....

sheath的现在完成时为：sheathed...

sheath的现在进行时为：sheathing...

n.护套，鞘，叶鞘，紧身装v.包，盖...

sheath的第三人称单数（三单）为：sheaths...

sheath的复数形式为：sheaths...

well-off的音标：well-off的英式发音音标为：['wel'ɔ:f]well-off的美式发音音标为：['wɛl'ɔf]...

n.儿茶酚，苯邻二酚...

nappy的复数形式为：nappies...

abbreviations的音标：abbreviations的英式发音音标为：[əbri:v'ɪeɪʃnz]abbreviations的美式发音音标为：[əbriv'ɪeɪʃnz]...

n.读唇法（聋子以观察人发生时的口型学语的方法）...

carpeted的音标：...

reviewer的复数形式为：reviewers...

v.（口）渴( thirst的现在分词 )，渴感，长期的干渴，渴望...

dragonflies的音标：...

“近似”的近义词/同义词：类似, 彷佛, 好像, 形似, 相仿, 相像, 相似。...

它具有冲突性、刺激性 、 后续 性 、 危险性、反常性等特征.It has a characteristics of conflict, follow - up , danger and abnormal sexual....

除毛的...

Eurocrat的复数形式为：Eurocrats...

occupational的音标：occupational的英式发音音标为：[ˌɒkju'peɪʃənl]occupational的美式发音音标为：[ˌɑkju'peɪʃənl]...

墨水瓶架...