他們的防線被突破了。
Their line of defense was breached.
Listen to pronunciation
Example sentences
這是一項重大突破。
这是一项重大突破。
This is a major breakthrough.
他是這個研究領域的帶頭人，帶領團隊取得了重大突破。
He is a leader in this research field and has led the team to major breakthroughs.
Usage Notes
Can refer to breaking through a physical barrier or achieving a significant advance in knowledge or capability.
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