Geologists have studied the way that heat flows from the earth.
地质学家们已经研究了热量从地表流出的方式。
你一定学得很好！
She must have studied English before.
她以前一定学过英语。
Medical researchers have studied the health benefits of the new tea.
医学研究人员研究了这种新茶的健康功效。
You must have studied very hard.
你一定学习很刻苦。
I have studied English for six years.
我学习英语已经六年了。
We have studied for 5 hours straight.
我们已经连续学习了5个小时。
I have studied English for many years.
我已经学英语很多年了。
I have studied English for five years.
我学习英语五年了。
I have studied in the school for one year.
我在这所学校学习了一年了。
I have studied in this school for six years.
我已经在这个学校学习六年了。
I have studied English since three years ago.
自从三年前我就开始学英语了。
I have studied ballet for more than eight years.
我学过八年的芭蕾舞了。
They have studied English since they were eight.
他们从八岁起就开始学英语了。
They have studied so hard to realize their dreams.
他们努力学习来实现梦想。
When I have studied a book I write a report on it.
我研读完一本书后就写一篇报告。
You failed in the exam. You should have studied hard.
你考试失败了。你本应该努力学习的。
Economists have studied how markets work for a long time.
经济学家长期以来都在研究市场如何运作。
Maybe there are not many people have studied this problem.
也许很多人还没想过这个问题。
NASA scientists have studied Earth long enough to know this.
美国宇航局(NASA)的科学家们长期研究地球，对此了如指掌。
Nevertheless, scientists have studied the fruit's properties.
尽管如此，科学家们研究了水果的属性。
I feel regretted wasting the time (when) I should have studied.
我后悔浪费了本应该用来学习的时间。
He didn't pass the exam. He should have studied hard previously.
他没有通过考试，他以前该更努力地学习的。
Jobs fairs for those who have studied abroad are suddenly popular.
所以，针对那些曾出国留学的工作招聘会突然流行起来了。
All who have studied the question have come to the same conclusion.
凡是研究这个问题的人都得出了同样的结论。
He spoke English well. He must have studied the language for years.
他英语讲的很好。他很有可能学这门语言很久了。
All who have studied this question have come to the same conclusion.
研究过这个问题的人得出了相同的结论。
All who have studied this question have come to the same conclusion.
研究过这个问题的人得出了相同的结论。
应用推荐