The nano filtration membrane is composed of nanometer grade micropore capillary tube bundles.所述的纳滤膜是由纳米级微孔毛细管束构成.I flunked math in second grade.我二年级时数学不及格。The front end is equipped with hydraulic jacks used for grade adj...
Hardship and penury wore him out before his time.受穷受苦使他未老先衰.A succession of bad harvest had reduced the small farmer to penury.连续歉收使得这个小农场主陷入了贫困境地.A succession of bad harvests had reduced the small farmers to penury.连年歉收...
Don't chuck yesterday's paper out. I still haven't done the crossword.别扔了昨天的报纸. 我还没做字谜游戏呢.He shows a great interest in crossword puzzles.他对填字游戏表现出很大兴趣.Will you help me with this crossword puzzle? It got me...