氷が溶けるのを見てたら、子供時代を思い出した

N3 氷 koori ice, hail N3 溶ける tokeru (intransitive) to melt, to thaw, to fuse, to dissolve N5 子供 kodomo child, children N4 時代 jidai age, era, period N3 思い出 omoide memory, recollection

N2 氷 hyou / koori, hi, koo.ru icicle, ice, hail N2 溶 you / to.keru, to.kasu, to.ku melt, dissolve, thaw N5 見 ken / mi.ru, mi.eru, mi.seru see, hopes, chances N5 子 shi, su, tsu / ko, -ko, ne child, sign of the rat, 11PM-1AM N3 供 kyou, ku, kuu, gu / sona.eru, tomo, -domo submit, offer, present N5 時 ji / toki, -doki time, hour, temps N4 代 dai, tai / ka.waru, kawa.ru, kawa.ri, ka.wari, -gawa.ri, -ga.wari, ka.eru, yo, shiro substitute, change, convert N4 思 shi / omo.u, omoera.ku, obo.su think, penser, pensar N5 出 shutsu, sui / de.ru, -de, da.su, -da.su, i.deru, i.dasu exit, leave, go out

N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase