熟知

The actor is well known to us.

我们这个演员。

She had been cut adrift from everything she had known.

她远离了她所的一切。

All the actors know the play backward.

所有演员对剧本都可以倒背如流。

The cuckoo is characterized by its familiar call.

杜鹃为人的叫声是它的特征。

The best-known grains are wheat,barley,oats,rye and maize.

最为人们所的粮食是小麦、大麦、燕麦、麦和玉米。

As well known, the loss of efficiency in est-imation and inference may be substantial if hetero-scedasticity is neglected.

，如果误差同方差的要求不能满足，利用同方差回归模型的估计和推断的有大大降低。

In the whole process of forming hydrocarbon, there exist the joining and removal of hydrogen or oxygen atom and heteroatom from the beginning to end.

人所的胡萝卜烷由胡萝卜素加氢构成,在转化中需要消耗大量的氢,因而整个过程是非常典型的氧化还原反应。