He examined the man with a penetrating gaze.

他锐的目光仔细观察了那个人。

Methods dip 2% lidocaine or impede narcosis, use the acuity exonerative plane root slot cut endodontium,after drying overlay thin hydrochloride zinc and than using the zinc phosphate to mount.

方法2%卡因浸润或阻滞麻醉,锐挖器平根管口切断牙髓,拭干后氢氧化钙剂覆盖根髓断面,硬固后,覆薄层氧化锌粘固粉,磷酸锌粘固粉封洞。