俄语在学校课程设置中是一门必修的外语课。Russian is the one compulsory foreign language on the school curriculum.某些课程是必修的，其他是选修的。Certain courses are compulsory, others are optional.三个科目是必修的, 即英文, 数学和历史.Three subjects must be taken, viz., Eng...
A letter sent by airmail will get to Europe quickly.寄往欧洲的航空邮件马上就会到达。Onion skin: Light weight cockle bank paper often used for airmail stationery.洋葱纸: 常作空邮信纸用的轻身绉面的‘高级打字纸’.Affix the blue airmail label and leave the rest t...
双壁钢围堰是桥梁深水基础施工的重要设施.Double - wall steel cofferdam is the important facility of bridges deepwater foundation.二是临时围堰及后方陆域连接工程.The other part is temporary cofferdam and the rear land - based connection project.临时附属工程主要是临时围堰...
He is obsessional about tidiness.他过分爱干净.She is obsessional about cleanliness.她有洁癖。She became almost obsessional about the way she looked.她对自己外表的关注近于强迫。Obsessional personalities commonly ruminate excessively about death.有...