The spelling of the word "Delong" can be explained using the International Phonetic Alphabet (IPA) phonetic transcription. It is pronounced as /dɪlɑːŋ/. The "d" is pronounced as the voiced alveolar stop, and "e" as the short "i" sound. The "long" is pronounced as a single syllable with the vowel "o" pronounced as a back open-mid vowel and the "ng" as the velar nasal sound. Therefore, the spelling of "Delong" is a combination of short and long vowel sounds with the second part of the word emphasizing the use of a single syllable.