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- These regulations relate only to people under the age of twenty one . 這些規則僅適用於21歲以下者。
- The determination of twenty one kinds of constant and trace elements in Chinese herb Ranunculus ternatus thunb was performed by ICP-AES. 運用ICP-AES法對河南、新疆產貓爪草中常量及微量元素進行了測定。
- If we do allow fireworks to be purchased then we must set an age limit that no one can buy fireworks under the age of twenty one. 如果我們要允許人們購買焰火，那麼我們必須在購買年齡上設一個限制：任何在二十一歲以下的人都不可以購買焰火。
- President Obama wants all countries in the Group of Twenty to coordinate their separate efforts to strengthen their economies. 總統奧巴馬希望在二十國集團的所有國家協調努力以增強大家的經濟實力。
- President Bush invited leaders of the Group of Twenty countries to Washington on November fifteenth to discuss the financial crisis. 15日布希總統邀請二十個國家集團的領導人到華盛頓，討論金融危機。
- Firstly,twenty one groups of datum of pore volume in relation to initial pressure and balance pressure are measured by serval standard cores. 該方法是用7個標準鋼心測得孔隙體積關於初始壓力與平衡壓力的21組數據;
- President Obama wants all countries in the group Group of twenty 20 to cooperate coordinate their separate efforts to strength strengthen their economies. 奧巴馬總統希望20國集團的所有國家都能到調整整合各自的力量以振興經濟。
- Xinhua News Agency, the United Kingdom Horsham March 14 Electricity Group of Twenty Finance Ministers and Central Bank Governors Meeting at the United Kingdom 14 closing date. 新華社英國霍舍姆3月14日電 二十國集團財長和央行行長會議14日在英國閉幕。
- He looks to be a young man of twenty. 他看起來就像一個20歲的青年。
- Two hundred and twenty one years ago, in a hall that still stands across the street, a group of men gathered and, with these simple words, launched America 』s improbable experiment in democracy. 二百二十一年前，就在仍然屹立在對街的那個廳堂里，一群男人聚集在一起，以簡單的文字，發起了美國民主一場大膽的試驗。
- Cole popped off at the age of twenty. 科爾在二十歲時突然死去。
- The group Group of twenty agree 20 agreed to initial a an additional trillion dollars for the International Monetary Fund and the other landers lenders to strengthen the world economy and trade. 參與二十國峰會的領導人們同意為世界貨幣基金組織再捐另外一萬億美元並且另外一些國家的領導人稱他們會為世界經濟和貿易做出貢獻。
- After a quietus of twenty years she returned. 她隱退二十年後又東山再起。
- The group of barbaric soldiers killed many people. 那群野蠻的士兵殺了很多人。
- I work for a large company but I'm only a small fish, one of twenty looking after the stock ordering. 我為一家大公司工作，但我僅是個小人物，20名管理定貨者之一。
- A group of boys dashed out of the classroom. 一群男孩子從教室里衝出來。
- I come upon a group of children play in the street. 我遇到一群孩子在街上玩耍。
- He goes about with a group of nice boys. 他經常和一群好孩子在一起玩。
- He looked around the small group of mourners. 他環顧一下那一小群的送葬者。
- The group of destroyers damaged the bus. 那群破壞者毀壞了這輛公共汽車。
