锐利

He examined the man with a penetrating gaze.

他以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.

方法用2%多卡因浸润或阻滞麻醉,用锐平根管口切断牙髓,拭干后用氢氧化钙剂覆盖根髓断面,硬后,覆薄层氧化锌,用磷酸锌封洞。