1. Last but not least, educators recognise that all students are unique and have different interests and abilities which can be retarded if they have to study all subjects. 最后，教育工作者认识到所有的学生都是独特的，他们有不同的兴趣和能力，如果他们必须学习所有的科目，他们的兴趣和能力可能会受到阻碍。
2. The progression of the disease can be retarded by early surgery. 早期手术可以抑制病情的发展。
3. The high costs of converting to sound and the early limitations of sound technology were among the factors that suppressed innovations or retarded advancement in these other areas. 声音转化的高成本和早期声音技术的局限阻碍了这些发明在其所在其他领域的发展。
4. By sucking sap from the young twigs of the hemlock tree, tree growth is retarded by the woolly adelgid, causing needles to change color from deep green to grayish green and to drop prematurely. 通过吮吸铁杉幼嫩枝的汁液，树木的生长被毛茸茸的叶蝉阻碍，导致针叶从深绿色变为灰绿色，并提早掉落。
5. A retarded child needs help, not pity. 智力迟钝的孩子需要的不是怜悯，而是帮助。
