该反应产生了几种氧化物和其他伴生物.The reaction produced some oxides and other by - products.在我们的日常生活中氧化物很常见.Oxide is usually seen in our daily life.发电厂和工厂是硫氧化物的主要来源.Electric utilities and industrial plants are the principal producers....
弹性票价单程上浮最高可达80美元。Unrestricted fares will be increased as much as $80 one-way.去哈瓦那的往返票价是550爱尔兰镑（673美元）。The round-trip fare to Havana is 550 Irish punts ($673).每天开放；门票1.10英镑，儿童和退休人士可享受票价优惠。Open daily; admission £1.10 with ...
这也许会火上浇油，破坏当前脆弱不稳的休战局面。This may help to undermine the brittle truce that currently exists.一条腿不稳的椅子a chair with a wobbly leg可怜的孩子! 原因是在她那双立不稳的脚上.Poor child! The cause was in her tottering feet....
We needed to do decimals to round up and round down numbers.我们得把小数四舍五入成整数。...simple math concepts, such as decimals and fractions.简单的数学概念，如小数和分数We needed to do decimals to round up and round down numbers...我们得把小数四舍五入成整数。...
Better living conditions mean more live births and fewer stillbirths.生活条件改善就会有较多的活产,较少的死产.About 68 per cent of illegitimate births were jointly registered by both parents.大约有68%的私生子是由父母双方共同登记的.In China, both late marriag...