senior high school

In the teaching of Probability in senior high school lie obvious inadequacies in students' comprehension of Probability definition for Frequency and Equiprobability models.

在高中率学习中，学对率的频率定义与典型的理解存在明显的欠。

The family had undergone great hardship to let him attend senior high school in county town, which meant a big fellow was consuming food without earning any workpoint.

家里能让他这样一个大挣工分白吃饭，让他到县城来上高中，就实在容易了。