What is the translation of " 我学习了 " in English?

• i studied
• i learned
• i have been studying
• i learnt
• i read

Examples of using 我学习了 in Chinese and their translations into English

我学习了10年的古典钢琴。
I studied classical piano for 10 years.

我学习了市场研究技能，以及如何有效地使用社交媒体。
I learned market research skills, and how to use social media effectively.

后来在曼海姆，我学习了工商管理，专注于物流。
Later in Mannheim, I studied business administration with a focus on logistics.

听力我学习了芭蕾舞。
I have been studying ballet.

我学习了2年的职业课程，如酒店和餐厅服务。
I studied 2 years vocational course as Hotel and Restaurant Services.

我学习了营养，并且遵循了大量的补充计划。
I learned about nutrition and I followed an extensive supplement program.

我感谢有这个机会，也让我学习了许多。
I was so grateful for the opportunity, and I learned so much.

我学习了两个小时。
I studied two hours.

我学习了整个晚上。
I have been studying all night.

我学习了社交媒体、市场营销和广告的相关知识技能。
I learnt about social media, marketing and advertising.

第一次我学习了大约300小时。
The first time I studied about 300 hours.

很快，我学习了C语言，之后是C++。
Soon I learnt C language followed by C++.

所以，我学习了PHP，还有JavaScript。
I learnt PHP, and I learnt JavaScript.

我学习了两个小时。
I studied about 2 hours.

所以我学习了中国思想，哲学，历史，佛教等等。
So I studied Chinese thought, philosophy, history, Buddhism and so on.

我学习了六个月。
I studied for six months.

我学习了两个多小时，然后就去睡觉了。
I studied for more than two hours, and afterward I went to bed.

在学校我学习了数学和科学。
I studied math and science in school.

我学习了两个小时。
I study for two hours.

我学习了丛林。
I experienced the jungle.

我学习了如何建造树屋。
I have learned how to build houses.

我学习了一下英国历史。
So I have studies British History.

我学习了怎样说西班牙语，认识了很多非常棒的人。
I have learned to speak Spanish and met great people.

我学习了如何坐着做事。
I have learned how to sit and stay.

我学习了艾弗里的脸。
I was studying Avraham's face.

在过去一年，我学习了一些重要的育儿课。
Over the past week I have learned some important lessons in parenting.

通过51CTO，我学习了许多的知识。
At 51, I learned a lot from it.

我学习了两个小时。
I have studied for two hours.

我学习了关于他的一切。
I have studied everything about him.