If you don't make it to class, contact your TA, your recitation instructor, and you can take a makeup within a week of the time of original test.

如果你不能来上课，联系你们的助教，背诵课的老师，你可以在测试后那个礼拜内,找时间补回来。

麻省理工公开课 - 固态化学导论课程节选

If you cannot make the office hours, again, contact the recitation instructor to make other arrangements.

再次说，如果你们在办公时间不方便，联系背诵课的老师,再安排安排。

麻省理工公开课 - 固态化学导论课程节选

So in fact, there are professional magicians who make it their business to debunk people who claim to genuinely be in contact with the dead and the like.

而事实上,有些专业的魔术师,主要揭露那些声称,能和死人沟通的人的秘密

耶鲁公开课 - 死亡课程节选

For those of you who aren't familiar with this, we split up the user base by what school they go to and we make it so that people at a given school can only see the profiles and contact information of people at their school.

对此有些人可能不大了解，我们以学校为标准将用户分组,只有在同一所学校的学生,才能够相互浏览,个人资料和联系方式。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

One of the beautiful things about antibodies is that one your immune system is able to make antibodies against all the thousands, ten thousand, hundred thousand different pathogens that you'll come into contact with in your lifetime.

抗体的一个绝妙之处就在于,你的免疫系统可以分泌抗体来对抗,成千上万的 甚至数以十万计不同病原体,这些病原体都是你一生中可能会遇到的

耶鲁公开课 - 生物医学工程探索课程节选