我已经让孩子们把他们的抽屉弄整齐.I've asked the children to clean out their drawers.整天,我们卸下了盒子, 填充食橱和弄整齐, 直到我们极端地疲累.The whole day we unpacked the boxes, filled the cupboards tidied, until we were extremely tired.客人到达时务必把房间弄整齐.Pleas...
这一设计由淡色的3个长方形和3个三角形构成。This design is in pastel colours with three rectangles and three triangles.热天穿淡色衣服使人凉爽.The clothes are effective in keeping cool in warm weather.她起了床,穿着淡色的睡袍.She rose in her pale nightgown....
The binomial coefficients are ubiquitous in Combinational Theory.二项系数在组合论中有普遍的应用.This is nothing but the binomial expansion.这不过是二项展开式.Pascal published a treatus on binomial coefficient.帕斯克发表了关于二项系数的论文....