音标：[ræ'kaitis] ；

佝偻病

n. See Rachitis.

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跟着美剧练发音

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Politics In Zimbabwe Has A New Soundtrack ARI SHAPIRO, HOST: Music and politics have always been intertwined, whether the song is Yankee Doodle or A Change Is Gonna Come. This week, I've been reporting on a political transformation in Zimbabwe. Rober

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影视英文歌曲

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学英语单词

aggregated unit control instrument

ALGOL-60 compiler

Almiria ware

altitude throttle

amplitude modulated signal

antherigona (acritochaeta) oryzae

Appalachian oils

apple-pies

asterina jasmini-subtrinervis

attention line

attention time