字典網>> 英漢字典>> O開頭詞條>>on the down grade的意思 漢英字典on the down grade中文翻譯：在走下坡路英文字典 相關詞條：on the other hand one for the books on sb.'s behalf on the scroll of fame on-line working one-way strip chromatogram on period once more Onosma paniculatum Bur.et Franch on-line processing