您要查找的是不是：
- no demonstrable antibodies 无抗体显示, 未显示抗体
- Demonstrable antibodies are evoked in carriers after a few weeks of infection. 在感染几星期之后，从带菌的物体中能证实存在抗体。
- In contrast, most cases in children have no demonstrable cause. 相反，大多小孩的病例没有明显的原因。
- Demonstrable antibodies are evoked in carriers after a few weeks of infection . 在感染几星期之后，从带菌的物体中能证实存在抗体。
- Tetracycline has no demonstrable effects on the central nervous system, neither has chloromycetin. 四环素对中枢神经系统没有明显作用，氯霉素对中枢神经系统也没有明显作用。
- The gap between the schedules of the caterpillars and the birds has had no demonstrable effect so far on tit numbers. 蛾与鸟类时序上的差异，目前还不足以证明影响了白颊山雀的数量，这有可能是因为各种因素（如冬季可得的食物）所造成的常年波动，远大于暖化的影响。
- Here, again, the rational man will admit that the question is one to which there is no demonstrably right answer. 在这里，理智的人会再次承认，这类问题没有一个明确的答案。
- Ours is an unusual country indeed,no strikes,no riots,no protests,no demonstrations and no free-for-alls in our Parliament. 这里是世界上少有的国家，没有罢工、暴动、抗议、示威或者在国会上大演铁公鸡。
- Whether it rains or not makes no difference to me. 下不下雨对我来说都一样。
- Patriotic feelings ran high among the intellectuals of Shansi, but Yen would allow no demonstrations or any public anti-Japanese propaganda. 在山西的知识分子中，爱国情绪十分高涨。可是阎锡山不允许示威，也不允许任何公开的反日宣传。
- demonstrable antibodies are evoked in carriers after a few weeks of infection 在感染几星期之后，从带菌的物体中能证实存在抗体。
- The cruel landlord would bate him no rent. 那个狠心的地主不肯给他减租。
- Continuous positive airway pressure and noninvasive ventilation have no demonstrated efficacy in the treatment of chronic hypoventilation solely due to asthma or COPD. 连续气道正压通气和无创通气尚未在哮喘患者和COPD患者中证实其缓解慢性低通气的有效性。
- What surprises me is that there are no demonstrations, no talk, no opposition, no uproar in parliament when PLA (China) soldiers are in India for joint military exercises. “使我惊讶的是当解放军士兵踏上印度土地参加军演时，议会中居然没有任何游行，没有任何反对，也没有任何噪声”
- No horse has a speed comparable to that of his. 没有一匹马的速度能比得上他的马。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- In no minute did the sea run amuck. 倾刻间海上刮起了大风暴。
- No one dared to speak out against the injustice. 没人敢对不公正行为表示公开反对。
- No one is allowed to get his ticket out of turn. 任何人都不准不按次序买票。
- No words can express the grandeur of that parade. 阅兵式那宏伟的场面是无法用语言表达的。
