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- Each rung in DNA's spiral ladder is actually formed by a pair of its chemical letters-adenine (A), thymine (T), guanine (G), and cytosine (C). 螺旋梯上的每一個梯級實際上是由兩個字母組成的。DNA結構中的四個化學字母分別為：腺嘌呤(A)、胸腺嘧啶(T)、鳥嘌呤(G)及胞嘧啶(C)。
- This makes space telescope invaluable for identifying a rare class of pulsating stars, called Cepheid Variable stars embedded within M100';s spiral arms. 這對於從M100的旋臂中分辨出暗藏的造父變星有著莫大價值。
- The dryer shaft is welded with several sets of multi-layer non-concentric seamless tubes, each of which is comprised of multiple seamless tubes having different sizes bent in Archimede』s spiral. 乾燥機軸焊有多套，多層不同心無縫管，每套有多根大小不同彎成阿基米德螺旋線形無縫管組成。
- NUMERICAL SIMULATION OF COMET HALE-BOPP'S SPIRAL JET STRUCTURE 海爾-波普彗星旋噴流結構的數值模擬
- They spend the winter(s) in a warmer climate. 他們在氣候較暖的地方過冬。
- Most plural nouns in English end in "s". 英語的複數名詞多以「s」結尾。
- The sweater had shrunk after repeated washing(s). 這件套頭毛衣洗過多次已縮水了。
- Some old folk(s) have peculiar tastes. 有些老人有特殊的愛好。
- Answer the following question(s). 回答下列問題。
- Most plural nouns in English end in s'. 英語的複數名詞多以s結尾。
- The drug affects one's power(s) of concentration. 這種葯影響人精神不能集中。
- Here are the designs. Which one(s) do you prefer? 這就是那些圖樣.;你喜歡哪一個[些]?
- Which journal(s) do you subscribe to? 你訂閱哪一種雜誌?
- The novel had an enormous vogue in the 1930's. 這本小說在三十年代曾廣為流傳。
- He earned four A's in the final examinations. 他期末考試四門功課得優。
- The Beatles were the pop idols of the 60's. 披頭士樂隊是六十年代人們崇拜的偶像。
- He returned to the fold at his 80's. 他在八十高齡又恢復原來的宗教信仰。
- She has an amused twinkle in her eye(s). 她高興得雙目熠熠發亮。
- Driving with worn tread(s) can be dangerous. 輪胎胎面磨損的汽車開著有危險。
- My expostulation(s) had no effect. 我提出的勸告毫無作用。
