It's like joining the army at eighteen; at twenty-four, that's what you do if you have an MA from Cambridge.

你18岁就该入伍，24岁，的剑桥硕士毕业生就该。

耶鲁公开课 - 弥尔顿课程节选

Milton graduated with an MA from Cambridge University in July of 1632.

弥尔顿于1632年7月从剑桥大学毕业，取得了文学硕士学位。

耶鲁公开课 - 弥尔顿课程节选

F=ma. The a is this fellow here, and nothing else is given an independent name.

=ma,a就是这里的这个,其它的都没有独立命名

耶鲁公开课 - 基础物理课程节选