/
-{-{xíngxīnghuán}-}-/, /
hɐŋ²¹ sɪŋ⁵⁵ waːn²¹/, /haːŋ²¹ sɪŋ⁵⁵ waːn²¹/, /
hang4 sing1 waan4 / haang4 sing1 waan4/, /
hang4 sing1 waan4 / haang4 sing1 waan4/, /
heng4 xing1 wan4 / hang4 xing1 wan4/, /
shyngshinghwan/, /
síngsinghuán/、/
ㄒㄧㄥˊ ㄒㄧㄥ ㄏㄨㄢˊ/
noun
圍繞行星運轉的宇宙塵埃和小顆粒所形成的扁平盤狀區域
環