Patients inhale a topical anesthetic that numbs their nasal passages and throat.
Patients inhale a topical anesthetic that numbs their nasal passages and throat.
病人吸入一种局部麻醉药，能够麻醉他们的鼻道和喉部。
Patients inhale a topical anesthetic that numbs their nasal passages and throat.
病人吸入一种局部麻醉药，能够麻醉他们的鼻道和喉部。