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1. The surgeon performed a perforatingbranch anterior to the lung.
外科医生在肺部前部进行了一个穿透分支手术。
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2.The tree's branches are perforating branches anterior to the trunk.
这棵树的树枝是树干前面的穿透分支。
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3. Theengineer designed a system that could perforate branches anterior to the root.
工程师设计了一个系统,可以在根部之前穿透树枝。