他呼吸更加困难
He had more difficulty breathing
以上为机器翻译结果，长、整句建议使用 人工翻译 。
他说他已经发现做完声带切除手术的狗在喉咙里会产生过多的疤痕组织，使狗狗呼吸变得更加困难。
He said he has had to operate on debarked dogs after excess scar tissue built up in the throat, making it difficult for the dog to breathe.
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