我们在人陪同下穿过一条低矮的门道。We were escorted through a low doorway.小孩无人陪同不允许走出这个地方。Unescorted children are not allowed beyond this point.儿童必须要有大人陪同。Children must be accompanied by an adult....
她身穿黑色紧身裤和一件宽松的绿色针织套衫。She is wearing tight, black leggings and a baggy green jersey.一条女式紧身裤a pair of leggings你那条紧身裤真不雅观!Those tight trousers of yours aren't very decent!...
You don't have to go running upstairs every time she rings.用不着她一来电话你就往楼上跑。If the phone rings say you'll call back after dinner.如果有电话打来，就说你吃完饭再回电话。In graphite sheets, carbon atoms bond together in rings.石墨层中的碳原子...
Trial and error revealed that it was best to put in the amide before the epoxide.尝试和误差法表明,最好在环氧化之前引进酰胺基.The EBR vulcanizate of different epoxide number was prepared.选择了EBR加工 中适合的配合剂和综合性能较好的硫化配方,并制备了不同环氧值的EBR硫化胶.The locki...