虽然他生病了，但仍坚持不懈地学习。
在老师的精心指导下，我们每天坚持不懈地学习。
Instructed by our teachers, we learn the language every day.
爱因斯坦坚持不懈地学习和研究，终于成为世界著名的科学家。
Einstein kept at his studies and research, and finally he became a world famous scientist.
爱因斯坦坚持不懈地学习和研究，终于成为世界著名的科学家。
Einstein kept at his studies and research, and finally he became a world famous scientist.
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