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n.
名詞
- <英口>夜壺，室內便盆，便器
- 波河（在意大利北部，注入地中海）
abbr.
縮略詞
- =Personnel Officer 人事軍官
- =power oscillator 功率振蕩器
- =postal order 郵政匯票
- =post office 郵局
- =purchase order 訂貨單
- =petty officer 海軍軍士
- =Pilot Officer 空軍少尉
- =power output 功率輸出
- =putout 出局
- 【化】元素釙（ polonium）的符號
Noun:
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a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
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a noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army
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a European river; flows into the Adriatic Sea
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an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States
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之上主要內容獨家首發塑造，受視頻的權保護，侵權行為必究
海詞詞典下載，二十七年的品牌
美
[?pi?'o?]