The opening is big enough for perhaps six people to walk through, side-by-side.

VOA: special.2011.07.04

Diet, as we said before, is having a big impact, so estimates are that you can attribute two point six million deaths per year globally to low intake of fruits and vegetables.

如我们之前所说,饮食对健康至关重要,所以大致估计每年全球,有260万人的死亡可归结于,水果与蔬菜的摄入过少

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Another big one is course six which is Computer Science and Electrical Engineering.

另一个比较重要的专业是课程6，也就是计算机科学和电气工程。

MIT用数字说话 - SpeakingMax英语口语达人

"The reason is that those plants are going to get so big that if you were to put three or four or six plants in, they are just going to be crowding each other out, and each plant is going to underperform."

VOA: special.2011.06.14