“syringe device”写句子 用syringe device造句大全

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.

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.