0365名無しのアビガン(ジパング) (ラクッペペ MM3e-YHQf)
2020/09/15(火) 22:50:40.21ID:30xXpSikM翻訳無しで見てるけど
その効果とやらが
There is little evidence that wearing face masks (e.g. surgical-type) outside of healthcare settings during the influenza season or a pandemic offers effective protection or reduces transmission
から始まる意味を塾考しようね