我们经受过400多年的殖民统治。For more than 400 years, we were a colonized people.桑给巴尔岛的居民于1964年反抗苏丹统治，随后时局便不断恶化。Zanzibar's fortunes declined after the islanders revolted against the sultanate in 1964.他们被罗马人统治了5个世纪。They had five ...
Due to carelessness, his head hit the doorframe with a loud bang.他不小心把头撞到了门框上,一声钝响.Mother held on to the doorframe and almost fell.母亲手扶着门框,几乎跌倒.He flushed the bottom of the doorframe.他把门框的底部调到水平状态....
而环氧粉末涂料的固化反应只有环氧树脂与固化剂 - 双氰胺的交联反应.The cross - linkedstructure of epoxy and phenolic resins increased because of the crosslinking between the two resins.研究了酸度对苯胺与双氰胺加成反应生成苯基双胍的影响.The effect of acidity on synthesis of phen...
The word Easter derives from Eostre, the pagan goddess of spring.Easter（复活节）一词由Eostre（多神教的春天女神）衍生而来。The singing of Christmas carols is a custom derived from early dance routines of pagan origin.唱圣诞颂歌的风俗源自异教徒早期的舞蹈仪式。That ...