Create an instance of this class up front so it is ready when you need it without needing to consume memory.
预先创建此类的一个实例，以便随时使用，而无需占用内存。
All you would have to do is to be sure to keep the bookpoolHelper class up to date as you add more test case scripts and cover more application functionality.
所有您必须做的就是，在您增加更多的测试脚本和覆盖更多的程序功能时，确保更新bookpoolhelper类。
Everything we've done with the new class up to this point should work just fine as long as any HistoryStack objects are still resident in the current document.
到目前为止，只要HistoryStack对象存在于当前文档中，这个新建的类就能正常工作。
应该让这个班活跃起来。
The wind blew her beautiful dress up in front of the whole graduate class! She didn't know whether to cry or laugh.
风把她那件漂亮的裙子在了整个研究生班的面前吹了起来！她不知道该哭还是该笑。
India's normally tame middle class is speaking up against social ills.
印度通常温驯的中产阶级正在大声疾呼，反对社会弊病。
It is up to the monitor to manage the affairs of our class when the teacher goes out to attend meetings.
当老师出去开会的时候，管理班级事务就成了班长的职责。
On Thursday night she went to her yoga class, glad to have something to fill up the evening.
星期四晚上她去上了瑜珈课，很高兴有事可做来打发晚上的时间。
As of February 3rd, the price of a first class stamp will go up to 29 cents.
自2月3日起，每张一等邮票的价格将上涨到29分。
Some parents would arrange for some home tutoring to get their children up to speed with the other kids in class.
有些家长给孩子们安排了一些家庭辅导，以帮助他们跟上班里其他孩子的进度。
Middle-class families contract with a puller to take a child to school and pick him up; the puller essentially becomes a family retainer.
中产阶级家庭与车夫签订合同，让他送孩子去学校以及接孩子放学。车夫实际上变成了一位家仆。
I'm really glad to see you all here. It is indeed commendable that you got up so early in class.
我真的很高兴在这见到大家。你们起这么早来上课的确值得表扬。
Girls are more likely to speak up frequently and make significant contributions to class.
女生更有可能经常发言，并对班级做出重大贡献。
His status in Lord Wellington's headquarters and the recognition given to him for his work were all bound up with the class politics of the army at the time.
他在威灵顿勋爵总部的地位，以及他工作受到的认可都与当时军队中的阶级政治紧密相关。
If you observed a four-year-old child, for example, my daughter is 4 years old; you might read up on Piaget's stages of cognitive development we covered those in class.
如果你观察一个四岁的孩子，例如我四岁的女儿，你可能要先研读皮亚杰的认知发展阶段理论，这一理论是我们在课堂上讲过的。
Some hours after the two-part session, there is a follow-up class at which the students are stimulated to recall the material presented.
这个由两部分组成的课程结束后的几个小时，会有一节后续课程激励学生们回忆所呈现的材料。
"I still grew up in an upper middle-class home with parents who didn't have college degrees," Schneider said.
施耐德说道：“我的父母没有大学文凭，但我仍然成长于一个上层中产阶级的家庭。”
The more affluent children end up in college and on the way to the middle class, while working-class children tend to struggle.
更富裕的孩子们最终上了大学，走上了中产阶级的道路，而工薪阶层的孩子们往往会艰难挣扎。
She brought us up to the front of the class and placed him on one side of her desk and me on the other.
她把我们带到教室前面，把他安置她桌子的一边，我在另一边。
In 2012, 125 students at Harvard were caught up in a scandal when it was discovered they had cheated on a take-home exam for a class entitled "Introduction To Congress".
2012年，哈佛大学有125名学生卷入了一场丑闻，在一门名为《国会概论》的在家考试中作弊。
In fact, usually the system blocks anyone trying to sign up for a class they shouldn't be taking, who hasn't taken the courses you are required to do first as prerequisites.
事实上，这个系统通常会阻止任何想要注册他们不应该选的课程的人，也就是那些没有选必选先修课程的学生。
When you went home yesterday, you left behind a first-class fuck-up. Now you can clean it up.
昨天你回家后弄得家里一团糟。现在你可以去把它整理干净了。
The class monitor tried to make up for the mess by reorganizing the class event as students were not interested in the original one.
班长试图通过重新组织活动来弥补混乱，因为学生们对原来的活动不感兴趣。
Kids in Ms. Miller's class picked up the rubbish.
米勒老师班上的孩子们捡起了垃圾。
Bella, one of the top students in her class, always gets up early and hopes to get better grades by working hard.
贝拉是班上的尖子生之一，她总是很早起床，希望通过努力学习取得更好的成绩。
Trevor went over and spoke up for the whole class.
特雷弗走了过去代表全班发言。
In math class he could hold up fingers if the answer was less than 10, but that wasn't fun.
在数学课上，如果答案小于10，他可以竖起手指，但那没什么意思。
Don't give up if you get behind the class.
如果你落后了，不要放弃。
I signed up for an after-school training class.
我报名了一个课外培训班。
Our English teacher always makes up some interesting dialogues in class.
我们的英语老师总是在课堂上编造—些有趣的对话。
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