「降格」

(pos:動詞)(ant:升格)
<explanation>
yue:降低標準、身份、等級、層次等等資格
eng:to downgrade
<eg>
yue:冥王星降格為矮行星。 (ming5 wong4 sing1 gong3 gaak3 wai4 ai2 hang4 sing1.)
eng:Pluto was downgraded to a dwarf planet.