I am not even certain what is meant by placental fluid.
我甚至不确定“胎液”到底指的是什么。
Today it is not even certain how effective intervention might be.
现在，干预的手段会多有效也并不是很确定。
Existing lasers use media ranging from crystals doped with rare-earth elements to specific mixtures of gas and even certain sorts of semiconductors.
现有的激光器使用的介质有，掺杂有稀土元素的晶体、特定比例的气体，甚至是某些特定半导体。
If an operating system bug, bad disk sector, or even certain superuser errors cause corruption to a file system, using multiple volumes can limit that damage to just one volume.
如果操作系统缺陷、磁盘坏扇区或某些超级用户失误会破坏文件系统，使用多个卷可以把破坏的范围限制在一个卷。
With obesity comes a host of health-related problems: diabetes, high blood pressure, heart disease and even certain cancers.
肥胖症常常伴随有许多与健康有关的问题：糖尿病、高血压、心脏病、甚至某些癌症。
But investigators say they have no clues to the whereabouts of the alleged accomplices and are not even certain of their identities.
然而，负责调查的官员说，他们还未获得任何有关这些所谓同谋下落的线索，他们甚至还不知道这些人姓甚名谁。
Even certain medications, some of which may be sitting in your medicine cabinet right now, can put on pounds.
甚至某些药物也能使人增重，有些可能现在就躺在你的医药箱里。
Even certain medications can trigger asthma: aspirin and other non-steroid anti-inflammatory drugs, and beta-blockers (which are used to treat high blood pressure, heart conditions and migraine).
甚至某些药物也可诱发哮喘：阿斯匹林以及其它非甾体类消炎药和阻滞剂(用于治疗高血压、心脏病和偏头痛)。
Even certain medications can trigger asthma: aspirin and other non-steroid anti-inflammatory drugs, and beta-blockers (which are used to treat high blood pressure, heart conditions and migraine).
甚至某些药物也可诱发哮喘：阿斯匹林以及其它非甾体类消炎药和阻滞剂(用于治疗高血压、心脏病和偏头痛)。
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