Marco Polo's travelogue mentions that Kublai Khan sent envoys to Malgache.马可波罗游记中提到忽必烈曾派使节到马尔加什.Marco Polo is said to have sailed on the Pacific on his way to Java in the thirteenth century.据说，13世纪时，马可·波罗在去爪哇岛的途中在太平...
他无力地耸耸肩，扭动身体想要挣脱。He gave a feeble shrug and tried to squirm free.他扭动身体，挣开背包的肩带。He squirmed out of the straps of his backpack.她痛苦地扭动着，全身都汗湿了。She was writhing in pain, bathed in perspiration....
Chromosome breaks may also lead to inversions and translocations.染色体破裂也可能引起倒位与易位.The males suspected to have induced inversions were later used to build up stocks.疑有诱发倒位的雄性然后用于建立原种.Rapid 3 D induced polarization ( IP ) i...
The best way to represent the isotactic structure is with molecular models.表示等规结构的最好方法是用分子模型.Polyacetaldehyde may exist in atactic, syndiotactic and isotactic forms.聚乙醛可以以无规, 间同和全同形式存在.Polyacetadehyde may exist in atacti...