ddt (rho U) + div (rho U U) – laplacian (mu U) = – grad (p)
Shall we take the stairs or take the lift? (use / take the stairs) Unfortunately, I fell down the stairs and broke my leg. (fall down the stairs) My grandfather finds it difficult to climb the stairs because she is Continue reading Collocations About “Stairs”
Someone broke into our house last night and stole the television. (break into a house) It looks very old. Do you know when the house was built? (build a house) My little brother is at university. He shares a house Continue reading Common Expressions Related “House”
In the commercial society, almost everything provided is needing money. Fortunately, there are some anti-virus softwares provided for free. The following are three of many free, famous, exellent anti-virus softwares: AntiVir, one of anti-virus softwares from Germany, is one of Continue reading Several Free Anti-Virus Softwares
cement (concrete)?– clement (lenient/mild) cereal (grain)?– ethereal (heavenly, spiritual; immaterial, intangible) career — careen candy — dandy canard — canary callow — fallow child — chide (scold; reprove) chip — chirp (short sharp sound especially of a small bird or Continue reading Some Words Confused Easily