您要查找的是不是：
- extraneous nucleotide 外源核苷酸
- Reductant from an extraneous source is introduced. 外来的还原剂被引进来。
- Even his family had become extraneous to him. 甚至家庭对他也无足轻重。
- To remove extraneous matter from(the teeth). 剔除从（牙上）剔除外来物质
- We shall ignore factors extraneous to the problem. 我们应该撇开与此问题无直接联系的因素。
- The label has no extraneous blotches. 标签没有任何污点。
- Not mingled or diluted with extraneous matter;pure. 未掺杂的，无杂质的，纯净的
- The child may be distracted by extraneous sounds. 孩子可能会被不相干的声音干扰。
- Extraneous null statements are not always harmless. 无关的空语句并非总是无害的。
- The only extraneous item I may carry is a gift. 我带的唯一与旅行无关的物件是礼物。
- It also carries a specific nucleotide sequence, the anticodon. 它还带有特定的核苷酸序列即反密码子。
- Extraneous material added to written work, such as a speech, to make it longer. 冗词赘句加在书面作品上的一些额外的材料，如一篇讲话，为使之更长一些
- His account of the fire accident includes a lot of extraneous details. 他对失火事件的描述含有大量离题的细节。
- Thymine or thymine nucleotide concentration was all disqulified. 胸腺嘧啶或胸腺嘧啶核苷均不合格。
- His account of the war includes a lot of extraneous details. 他对战争的叙述含有大量离题的细节。
- An extraneous element is being introduced into the case. 你们把与本案无关的话题扯进来了。
- The smallest unit of DNA at which a mutation can occur; a nucleotide. 突变子能够产生巨变的脱氧核糖核酸的最小单位；一个核苷酸
- Not mingled or diluted with extraneous matter; pure. 未掺杂的，无杂质的，纯净的
- Risk of Breakage is classified under extraneous risks. 破碎险属于一般附加险。
- The smallest unit of DNA at which a mutation can occur;a nucleotide. 突变子能够产生巨变的脱氧核糖核酸的最小单位;一个核苷酸
