请输入您要查询的英文单词：
单词
paramecium
释义
paramecium
paramecium n:
(single-celled aquatic organism) (一种单细胞原生动物)
SC
草履虫 n
TC
草履蟲
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once in a blue moon
once in a while
once more
once or twice
once-over
once removed
once upon a time
onchocerciasis
oncidium
on cloud nine
oncogene
oncologist
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oncoming
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on-demand
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one
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更新时间：2026/10/9 18:25:42