除了租救生衣，水上运动爱好者还应该考虑租一套潜水服。Watersports enthusiasts should consider hiring a wetsuit as well as a lifejacket.我们蹲在水池旁，看着潜水者慢慢沉下水。We squatted beside the pool and watched the diver sink slowly down.这是我在撒丁岛附近的沉船残骸处潜水时所见的景象。Thi...
The cut of a diamond depends on the skill of its craftsman.钻石切割靠的是工匠的技艺。The diamond towns are gradually being reclaimed by the desert.这些钻石城镇正逐渐重归沙漠。In industry, diamond can form a tough, non-corrosive coating for tools.在...