公司需要上保险以防备火灾、洪灾等风险。A business needs insurance against risks such as fire and flood.我对这事引起的诸多麻烦毫无防备。I was not prepared for all the problems it caused.她毫无防备地被拍摄下来。The camera had caught her unawares ....
The effects of alcohol are studied on the microemulsion composed of nonionic surfactant, water and heptane.研究了醇在非离子表面活性剂 、 水及庚烷体系中对其形成的微乳液的影响.The common character and basic forming condition on microemulsion were general...
母亲和婴儿血型不合会产生黄疸。Incompatibility between the mother's and the baby's blood groups may cause jaundice.你是什么血型?What blood group are you?罕见的血型a rare blood type...