我们往往每周共进一次午餐。We tend to meet up for lunch once a week.我拿起了电话，她知趣地进了客厅。I took the phone, and she went discreetly into the living room.他们进门时一阵香味扑鼻而来。The savoury smell greeted them as they went through the door....
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...