1. Her life was finally extinguished by the onset of liver complaint. 她的生命之火终因肝病发作而被掐灭了。
2. "If this test could predict the onset of GVHD before the rash develops, it could be extremely valuable, " he says. 他说：“如果这种检测能够在皮疹显现之前预测移植物抗宿主病的发病，那将是非常有价值的。”
3. In the 1967 European outbreak, a non-itchy rash was a feature noted in most patients between 2 and 7 days after symptom onset. 在1967年欧洲的疾病爆发中，大多数患者在症状发作后2至7天出现非瘙痒性皮疹。
4. Some researchers have hypothesized that it is the cumulative binding of adenosine to a large number of sites that causes the onset of sleep. 一些研究人员假设，腺苷与大量位点的累积结合导致了睡眠的开始。
5. Sea cows were totally dependent on kelp for food, and within a decade of the onset of otter hunting, Steller noted that the islands' sea cows appeared malnourished. 海牛完全以海藻为食，在捕猎水獭开始的十年里，斯特勒注意到，岛上的海牛似乎营养不良。
