surgical procedure for tying hemorrhoids and excising them
例句
用作名词(n.)
Topical anaesthetic and local anaesthesia can be used effectively for haemorrhoidectomy and provide an alternative to general anaesthesia.对于痔切除术，局部麻醉剂和局部麻醉法均能被有效地使用，是全麻醉以外的又一可选择的方法。
