例如, 在1835年, 史密斯买回了一些古埃及纸草.For example, in 1835, Smith bought some ancient Egyptian papyruses.1843年,史密斯的的哥哥死于痨病.In 1843 Smith's elder brother died of consumption.1982年史蒂文卡拉汉独自驾驶著帆船横渡大西洋,途中帆船遇难下沉.In 1982 Steven Callah...
在所有简单无害的娱乐项目背后都隐藏着危险，特别是对儿童而言。Under all the innocent fun, there are hidden dangers, especially for children.该行业一直在努力开发一些可以替代这些气体的无害物质。Industry has been working at developing harmless substitutes for these gases.棕榈油对环境无害。...