downgrade的现在完成时怎么拼写？

v.使降低，使降职，贬低，低估...

downgrade的第三人称单数（三单）为：downgrades...

downgrade的现在进行时为：downgrading...

downgrade的一般过去时为：downgraded...

downgrade的音标：downgrade的英式发音音标为：[ˌdaʊn'greɪd]downgrade的美式发音音标为：['daʊnˌɡred]...

We don't want to do anything that would precipitate a downgrade.我们不想做任何会导致评级下调的事情.This assessment could well result in a rating downgrade.这项评估很可能导致评级下调.The downgrade was due mainly to lower growth in consumer spendi...

welt的复数形式为：welts...

纤维形成的...

kymocyclograph的音标：kymocyclograph的英式发音音标为：['kɪməʊsɪkləʊɡrɑ:f]kymocyclograph的美式发音音标为：['kɪmoʊsɪkloʊɡrɑf]...

债主...

“渣壳”的英语可以翻译为：skull，kish ...

fagots的音标：...

bathvillite的音标：bathvillite的英式发音音标为：[bəθvɪ'lɪt]bathvillite的美式发音音标为：[bəθvɪ'lɪt]...

“嵌入”的拼音为：qiàn rù...

humanitarianism的音标：humanitarianism的英式发音音标为：[hju:ˌmænɪ'teərɪənɪzəm]humanitarianism的美式发音音标为：[hjuˌmænɪ'teərɪrnɪzəm]...

mix up的音标：mix up的英式发音音标为：[miks ʌp]mix up的美式发音音标为：[mɪks ʌp]...

视网膜内的...

n.（罗马神话中半人半羊的）农牧神...

edent的音标：edent的英式发音音标为：['i:dənt]edent的美式发音音标为：['idənt]...

eventless的音标：eventless的英式发音音标为：[ɪ'ventləs]eventless的美式发音音标为：[ɪ'ventləs]...