When it came to filling up the tank, the water had to be applied with a syringe to ensure the arrangement was not disturbed.
为了确保这些布置不被打乱，还得用注射器往水槽里灌水。
2
Additional cleaning techniques can include using a needle-less plastic syringe to vigorously wash the tooth with moderately pressured water or to softly wash it with hydrogen peroxide.
这时候可以采用一些辅助清理手段，比如用没有针头的塑料针管以适当的压力用力冲洗或者用双氧水温和清洗。
3
Gently pull upward to straighten the ear canal. Use a syringe device to gently direct water against the wall of the ear canal.