初三到高二 Junior junior year ; Junior high school
在即将到来的高三 In the coming three ; In the upcoming third year
做差得到三维树高模型 Digital Tree Height Model
虽然很痛苦，可是他还是坚持到高三也没有告诉过那位女生他喜欢她。
Although it was very painful, he still did not tell her in the third year.
得出结论：（1）中学生学习自控力从初一到高三，呈现总体降低趋势。
The conclusions showed that:(1) The self-control of learning reduced from Grade 1 of junior high school to Grade 3 of senior high school;
终于到高三的时候我的成绩竟一路飙升，每次考试从来没有出过前五名。
Finally, in the last year of senior high school, my score increased crazily. I was never been out of the top 5 in all tests.
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