It was a very, very important part of maintaining the friendship bounds that started at the beginning of the 12-week course and they will take them going forward.

这是维持友谊关系,至关重要的一步,为期12周的课程开始时,他们建立了友谊,而今后它将进一步发展。

麻省理工公开课 - 媒体、教育、市场课程节选

Lots of 6-year olds, 9-year olds, 12 year-olds, a couple teenagers, and I do have 2 adult students.

很多六岁、九岁、十二岁的学生，几个青少年，我也有两个成人学生。

和钢琴老师 - SpeakingMax英语口语达人

Milton, who is writing at the present moment of December of 1629, is claiming the capacity to arrive at a moment in history that he has already described as a long-completed one.

这首诗作于1629年12月，这时弥尔顿正在慢慢具备他达到历史性时刻的能力,而这时他也已经被这样称赞着。

耶鲁公开课 - 弥尔顿课程节选

The 312 particles are held together in a nucleus by a force that involves the continuous exchange of meson-like particles called memo-ons.

12个粒子汇合与一个原子核里,连续不断的,叫做memo-ons的介子的交换给它作用力。

麻省理工公开课 - 固态化学导论课程节选

The study was, eleven- and 12-year-old boys at a camping program.

实验中有一些11，12岁的男孩,参加一个野营活动。

耶鲁公开课 - 心理学导论课程节选