This dictionary does not give etymologies.这部词典不介绍词源.Dictionaries are still good for obscure usages and etymologies.字典依然擅长于不常用的用法和词源.The branch of linguistics that deals with etymologies.词源学有关词源的一门语言学分支....
她正为了什么事神经紧张，你连这个都没看出来？She's nervous about something, in case you didn't notice.这种生活开始让她神经紧张。This kind of living was beginning to fray her nerves.人们开始不停地纠正他的错误，之后他的神经就出现了问题。He developed nervous problems after pe...
Scientists are still studying how the compound prevents pathogens from infecting cells.科学家仍在研究这种化合物如何阻止病原菌侵染细胞.Unfortunately, the responsible pathogens were still unknown.不幸的是, 引起疾病的病原仍不明了.Nonexposure of susceptible plan...
Norwegian whalers said yesterday they had harpooned a female minke whale.挪威的捕鲸人说昨天他们用捕鲸叉捕获了一头雌性小须鲸。A minke whale swims near Australia's Great Barrier Reef.一头小须鲸正在澳大利亚大堡礁附近游弋.Blue Whale is the biggest in Minke whales...