walgreen都有吧 distilled water 或者 sterile water https://www.vitalitymedical.com/mckesson-sterile-water-respiratory-therapy-solution.html?gad_source=1&gbraid=0AAAAAD_kCFEHcLGC6Sf4iQ6CQ_sjPNTYW&gclid=EAIaIQobChMIrNe66520iAMVthGtBh1OWQMNEAQYBCABEgK1HvD_BwE
另外大家一般上哪儿买这个蓝色的,或者这个紫色的?
https://www.vitalitymedical.com/mckesson-sterile-water-respiratory-therapy-solution.html?gad_source=1&gbraid=0AAAAAD_kCFEHcLGC6Sf4iQ6CQ_sjPNTYW&gclid=EAIaIQobChMIrNe66520iAMVthGtBh1OWQMNEAQYBCABEgK1HvD_BwE