她是个非常沉着的人。没什么能让她惊慌的。She was a very calm person. Nothing could fluster her.用不着为最近销售上出现的一点小问题感到惊慌。A recent sales hiccup is nothing to panic about.“不要惊慌，”我命令自己。"Don't panic," I commanded myself....
" At the Waldorf,'she answered, mentioning the fashionable hostelry then but newly erected.“ 在沃尔多夫旅馆, " 她回答, 指的是当时刚刚新建的时髦大旅馆.Winifred had thought it would be'amusing'to see this far - famed hostelry.维妮佛梨德觉...
Ozone is a highly reactive form of oxygen gas.臭氧是一种非常活跃的氧气形态。Ozone is produced by the reaction between oxygen and ultra-violet light.臭氧由氧气和紫外线发生反应而产生。Carbon, hydrogen and oxygen combine chemically to form carbohydrates a...