The spelling of the word "changle" can be explained through its phonetic transcription using the International Phonetic Alphabet (IPA). The first sound in "changle" is a "ch" sound, which is represented as /tʃ/. The second sound is an "a" sound, which is represented as /æ/. The third sound is an "ng" sound, which is represented as /ŋ/. Finally, the last sound is an "l" sound, which is represented as /l/. Therefore, the correct spelling of the word "changle" is as follows: /tʃæŋl/.