Bing

每日词汇
美 [ˈaɪrɪs]
英 [ˈaɪrɪs]
鸢尾
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As runners, we all know stretching is important, but do you know why? Have you ever wondered exactly what happens...
U.S. News & World Report
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重点单词:
['tendən]
n. 肌腱
[ə'məʊniə]
n. 氨
['plaɪəb(ə)l]
adj. 柔韧的
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