This school year, the schools shifted from hard cover to electronic textbooks for social studies in its middle and high schools.
本学年，这些学校的初中和高中的社会研究教材从纸质教材转向了电子教材。
Time magazine has put on its cover, presenting the courage and hard work of common people.
《时代》杂志的封面展示了普通人的勇气和努力。
Which is why it's so hard to predict bestsellers, why you can't judge a book by its cover.
这就是为何预测畅销书很难，为何你们不能根据一本书的封面来对它作出评价。
Books can be hard or soft cover, and trim sizes range from a small 7 "square books to large, coffee-table-size 12" square books.
你可以选择硬皮或软皮封面，还可以调整书本尺寸从七寸手掌书到适合摆放咖啡桌上的12寸大的书。
Greyboard (hard board for the cover).
硬卡纸(用作封面)。
But a bank's reported earnings aren't a hard number, like sales; for example, they depend a lot on the amount the bank sets aside to cover expected future losses on its loans.
但是，银行报表中的收益并不是类似销售额这样的“硬数据”。这些收益在很大程度上取决于银行拨备的，用来弥补预期未来贷款损失的资金额度。
Blogs are now so popular that it's very hard to find a niche that isn't already saturated. There are probably dozens or hundreds of other bloggers writing on the topics you cover.
博客现在如此受欢迎，你很难找到一个未饱和的细分领域，很可能已有数十或数百其他博客作者已经就你涉及的主题进行写作了。
Kezai started receiving professional tennis coaching at the age of eight. Since then his father has worked hard to cover his training costs.
(美国有线新闻网络)——柯仔在八岁时就开始接受专业的网球训练，从那时起，他的父亲就通过辛勤工作来支付他的训练费用。
Having said that, it's also true that doctors may have a hard time keeping up with all the new research - especially family doctors who have to cover a wide range of different medical problems.
话虽如此，医生可能很难跟上所有新的研究-特别是家庭医生不一定了解不同的医疗领域。
On newsstands, December's cover of Wired magazine is a little hard to miss.
报摊上《连线》杂志12月份的封面很难令人对其视而不见。
It's not hard to write tests that cover simple methods like setters and getters.
编写覆盖像setter和getter这样简单方法的测试代码并不难。
Thus in June 2008 Congress authorised a big package of emergency benefits, which now cover workers in 27 hard-hit states (those with unemployment rates above 8%) for up to 99 weeks.
2008年6月，议会批准一大笔紧急救济金，援助了27个失业情况最严重的州（失业率高达8%），有效期达99周。
We'll cover methods for maintaining hard edges and smooth contours.
我们将讨论维护硬边缘和平滑的轮廓的方法。
It rained so hard we had to take cover in a shop doorway.
雨下得太大了，我们只得在商店出入口处避雨。
Expanding this effort to cover XML was not hard.
扩大这项工作到XML并不是很难。
I made my previous promises carefully and tried hard to make them true, yet still sometimes out of unexpected reasons I did not fully cover them.
我以前都小心承诺并努力守信，但仍然有某些难以预料的原因使我不能完全守信。
It is very hard to obtain the solution of acid hydrolysis FRP tank cover as stiffened composite plate and shell by analytical method.
酸解罐玻璃钢盖子作为加筋复合材料板壳，应用解析方法很难求解。
The New England winters are hard; snow and ice cover the fields for months, and the nights are long and cold.
新英格兰地区的冬季气候恶劣，冰雪覆盖大地长达数月之久，夜晚漫长而寒冷。
Oftentimes, we try to cover and ignore the negative feelings which are considered to be temporary, and try hard to cheer ourselves up.
我们常常表现出矛盾的自己--一边微妙地掩饰着负面消极的情绪，因为这是应该被消除的，是终将会过去的；
The problem of seeking monitor-nodes for measuring the network traffic is regarded as the problem of finding out the minimum weak vertex cover of a graph which is NP-hard.
网络流量监测点问题可以抽象为图的最小弱顶点覆盖问题，而求解最小弱顶点覆盖问题是一个NP难题。
Then he asked himself, "Why did I push myself so hard to cover so much land area?"
他问自己：“为什么我要如此努力去环绕这么多土地？”
This will be rather hard to cover up you know.
你们知道，要掩藏是相当困难的。
Traditional functional verification method is hard to make verification scenarios and cover corner cases.
传统的功能验证方法难以构建复杂的验证场景，并且边缘情况难以覆盖。
The waterfront Aftermarket and Service building can accommodate up to six boats under cover. A further 2,500 square metres of hard stand can take a further six boats.
海滨售后及服务楼可容纳六艘船，另有2500平方米的硬地面亦可容纳六艘船。
Toy tires, wheel cover, track washer, bumper, hard-rubber wheel shock absorber.
玩具轮胎、轮皮、轨道垫圈、缓冲器、硬胶车轮减振护套、止滑器。
The woman works hard to make up to cover up own facial expression.
女人用心化妆来掩饰自己的脸容。
The woman works hard to make up to cover up own facial expression.
女人用心化妆来掩饰自己的脸容。
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