VOA慢速英语:Another Look at Massive Online Open Courses

at once立刻,立即,马上
例句：I'm leaving for Rome at once.
我马上就去罗马。

2. MOOCs add to a tradition of what is known as distance learning.

be known as被认为是
例句：Radio, television, newspapers and magazines are known as the mass media.
广播、电视、报纸和杂志被称为大众传媒。

3. There are parts that will be fine, insofar as mostly when students listen to a lecture, there is no special reason why they need to be physically present to hear and get it.

insofar as至于，就...
例句：Insofar as I can say now, I shall come
目前我只能说我将会来。

4. He says two ways to deal with this are by adding more teachers and setting up online discussion groups.

deal with应付, 处理; 对待
例句：He must deal with many difficulties.
他必须应付许多困难。
set up建立，建造, 创立, 竖立
例句：Plenty of foreign firms have set up factories here.
很多外国公司已在这里开办工厂。

5. She describes hybrids as mixing face-to-face course elements with computer-aided teaching and writing projects.

describe as描述为
例句：I should describe the attempt as a failure.
我认为这次尝试失败了。
mix with (使)与…混〔结〕合
例句：We must mix work with adequate rest.
我们必须劳逸结合。