A formal contract is signed which is renewable annually.正式签订了每年可续签的合同。Seven million doses of vaccine are annually given to British children.英国孩子每年要接种7百万剂疫苗。El Salvador produces 100,000 tons of refined copper annually.萨尔瓦...
You can pay to be upgraded to a business class seat.你可以付费升级到商务舱。Helicopters have been upgraded and modernized.直升机已经更新换代，装配了现代化设备。They upgraded the land by improving it with new buildings.他们建造新楼房来提高土地的等级....
直线是两点之间最短的距离.A straight line is the shortest distance between two points.在超级市场里, 坎迪德选一条最短的结账队来排.At the supermarket, Candida chose the shortest checkout line.这是我打过的新中最短的一封信.This is what I have beaten new middle the shorte...
多元醇酸树脂通常用其它树脂改性以获得特殊的特性.Alkyd resins are often modified with other resins to obtain specific properties.这种醇酸是氨基树脂在烘烤时交联而成.The alkyd is cross - linked by the amino resin during baking.高光泽, 高膜厚, 速乾, 硬度, 与醇酸树脂相容性.High gloss...