He will require surgery on his left knee.
他的左膝需要做手术。
ECoG does require surgery, but not on the brain itself.
使用ECoG确实需要动手术，但不需要在大脑上动手术。
If your pup eats them, they can cause blockages, which often require surgery to remove.
如果你的小狗不小心吞食了它们，可能会导致食道堵塞，这通常是需要通过手术来进行清除的。
In fact, it is very unusual to require surgery for a splenic or hepatic laceration.
事实上，这是很不寻常的要求裂伤手术一脾，肝。
And if the leads fail, removing them may require major surgery.
而如果导线发生故障，患者需要接受大手术才能取出导线。
And if the leads fail, removing them may require major surgery.
而如果导线发生故障，患者需要接受大手术才能取出导线。
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