YSK if your flatulence sometimes smells exceptionally foul, you may have lactose intolerance (or other food sensitivities)
from /r/YouShouldKnow
YSK如果你的胀气有时闻起来特别臭,你可能有乳糖不耐受(或其他食物敏感)。
YSK如果你的胀气有时闻起来特别臭,你可能有乳糖不耐受(或其他食物敏感)。
YSK if your flatulence sometimes smells exceptionally foul, you may have lactose intolerance (or other food sensitivities)
from /r/YouShouldKnow