ddt (rho U) + div (rho U U) – laplacian (mu U) = – grad (p)
I picked up a brush and swept the floor. (sweep the floor) I covered the floor with newspapers before I started painting the ceiling. (cover the floor with carpets/…) I have just finished mopping the floor. (mop the floor) She Continue reading Expressions on “Floor”
The ceiling is so low that I can touch it without standing on a chair. (touch the ceiling, a high / low ceiling) Martin lays on my bed and stares at the ceiling. It is a bare room with only Continue reading Expressions on “Ceiling”
I used to share a room with my brother/sister when I was young. (share a room) My uncle has a large house. He lets out one of the rooms to a student. (let out rooms) Helen promised that she would Continue reading Some Expressions About “Room”
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”
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