Circular dna
[化] 環DNA; 環狀DNA
?? 詞語組成解析
DNA
[,di:,en'ei]
abbr. did not attend 沒有參加;does not answer 不回答;
??? 情景例句
We have finally concluded the transaction through negotiation.
經過談判，我們終于達成了一筆交易。
Know something of everything and everything of something.
既要有一般常識，又要有專業知識。
Thus one simple fact, a change in the number of bison, had an effect on the whole wildlife chain of the plains.
因此，出現了這樣一個簡單的事實--野牛數目換的變化對平原的整個野生生物鏈都產生了影響。