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Sentence analysis
9Spans
Sentence
Span Details
RSウイルス
RS virus; respiratory syncytial virus-> RSウイルスnoun
は
topic markergrammar
乳幼児
infants and toddlers; babies and preschool childrennoun
に
direction, time, indirect object, or target markergrammar
重い
heavy; weighty; emotionally heavy; depressed; uneasy; slow; sluggish; clumsy; important; serious; grave; severe; critical; solid; dignified; steadyi-adjective
肺炎
pneumonianoun
を
object markergrammar
起こす
raise; lift up; set upright; wake (someone) up; awaken; cause; bring about; trigger; generate; start; launch; found; establish; plow; till (soil); fall ill with; come down with; transcribe; write down (spoken words); turn over (a card)godan verb
ことがある。
have done (something); something has occurred; sometimes; there are times when-> 事があるexpression, verb