The test was negative
阴性───negative;检测───testing
Dr Velayati gave a vague but negative response.───韦拉亚提医生给了一个含糊而否定的回答。
They received a negative reply.───他们得到一个否定的答复。
We live in a world of duality, day and night, positive and negative, male and female, etc.───我们生活在一个二元对立的世界：昼和夜，正和负，男和女等等。
The tone of his book is consistently negative, occasionally arrogant, and often superficial.───他的书基调一贯是负面消极的，有时还有点儿傲慢自大，且常常流于肤浅。
We're glad if our music makes a strong impression, even if it's a negative one.───如果我们的音乐能给人留下深刻的印象，哪怕是负面的印象，我们都会很高兴。
All this had an extremely negative effect on the criminal justice system.───这一切对刑事司法制度产生了极坏的影响。
All too often it is only the negative images of Ireland that are portrayed, colouring opinions and hiding the true nature of the country.───媒体往往描绘的只是爱尔兰的负面形象，影响了大家的看法，掩盖了这个国家的真实面貌。
Try not to let negative thoughts take over.───尽量别受消极的想法左右。