用“syringe device”造句大全,syringe device造句
With the head upright, take hold of the outer part of the ear. Gently pull upward to straighten the ear canal. Use a syringe device to gently direct water against the wall of the ear canal.
Use a syringe device to gently direct water against the wall of the ear canal.
Gently pull upward to straighten the ear canal. Use a syringe device to gently direct water against the wall of the ear canal.