He then worried that some other bug in Bukavu could have been causing the initial tests to give a positivereading.
后来，他又担心是布卡武的其它某种病菌导致初始检测出现阳性结果。
2
This hormone will also trigger a positivereading in a pregnancy test although this week there’s not enough of it to provide a definitive answer.
这种激素还会引起妊娠测验成阳性，尽管这周还没有足够的激素给出一个确切的测验结果。
3
The good service attitudes of the librarians can bring about a positivereading psychology of the readers, and help to improve their reading efficiency.