这片潮湿地区也吸引了青蛙、蟾蜍和蝾螈一类的生物。This wet area also attracts frogs, toads and newts.他把手伸进淤泥里捞摸，结果抓上来一只巨大的蟾蜍。He grabbed into the ooze and came up clutching a large toad.蟾蜍把这整个地方都占为己有。Toads are colonising the whole place....
The owner knew about the engagement and brought them glasses of champagne on the house.店主知道了订婚一事，于是免费请他们喝香槟。I think I found it easier than Nell to keep our engagement quiet.我觉得，我比内尔更容易守得住我们订婚的秘密。The couple eventually wed...
Based on modern software engineering technique, it has high expansibility and maintainability.基于现代软件工程技术, 具有高度扩展性、可维护性.With good maintainability, you can achieve the other abilities easily and cost - effectively.拥有好的可维护性...
硫黄和硫酸的交货量也可用类似方法测定.Sulfur or sulfuric deliveries can be similarly measured.铁和硫酸的反应是一种置换反应.The reaction of iron with sulfuric acid is a case of replacement.碱性溶液的酸度以硫酸的分数来表现, 碱性溶液的碱度以氢氧化钠的分数来表现.Acidic solutions of acid, al...