资料来源 : pyDict

沈积暂停期; 小间断

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Diastem \Di"a*stem\, n. [L. diastema, Gr. ?, fr. ?: cf. F.
   diast[`e]me.]
   (a) Intervening space; interval.
   (b) (Anc. Mus.) An interval.