茉莉酸类物质被认为是植物抗病防卫反应的内源及中间信号分子。
Jasmonic Acid(JA) and its derivate is regarded as one of the endogenous and intermediate signaling molecular involved in plant induced disease resistance.
研究者建议重新规定生物信号的阈值，以减少造成假阳性的机会，假阳性通常出现在未饮用酒精饮料但却接触了其它形式的酒精的人们中间。
Researchers suggest redefining the thresholds for specific biomarkers to reduce the chances of false positive tests among people who did not consume alcohol but were exposed to ethanol in other forms.
在他更换车道时，他注意到前方一辆白色的小卡车没有打信号灯就从最右边的车道切入了中间的车道。
As he changed lanes, he noticed the white pickup ahead of him move from the far-right lane to the center lane without signaling.
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