您要查找的是不是：
- This bellows is not airtight. 这个风箱漏风。
- This pair of scales is not in equilibrium. 这个天平不平衡。
- This is not an issue of the utmost importance. 这不是一个很重要的问题。
- This star is not visible to the naked eye. 这颗星肉眼看不见。
- This kind of fast food is not fit for my appetite. 这种快餐不适合我的口味。
- Popularizing this new method is not an easy job. 推广这种新方法不是件容易的工作。
- This is not an economical method of heating. 这不是一种经济的取暖方式。
- This work is not urgent; we can do it tomorrow. 这件工作不急，我们可以明天再做。
- This case is not amenable to the normal rules. 这件事经不起常规的检验。
- This is not imagination but reality. 这不是想象，是事实。
- A metallic bellows is made from a thin seamless tube. 金属波纹管是由薄壁无缝管制成的。
- This new drug is not yet commercially available. 这种新药还没有投放市场。
- Your brother is not going to study this evening. 你弟弟今晚不读书。
- This agreement is not susceptible to alteration. 这一协议不容更改。
- This is not the season for internal quarrels. 现在不是内部相争的时候。
- Swimming is not allowed at this beach. 这片海滩禁止游泳。
- This meat is not fit for human consumption. 这种肉不适合人食用。
- This wet ground is not firm enough to walk on. 这块湿地不够坚实，不能在上面走。
- It is not easy to get a foothold as an anchorman. 一个电视节目主持人要站住脚可不容易。
- The fact is not germane to this issue. 此事实与此问题无密切关系。
