热文观察...
  • “tetracyclic”的英英意思

    “tetracyclic”的英英意思

    单词 tetracyclic 释义 tetracyclic, a.|ttrsaklk, -sklk|[f. tetra- + cyclic a.]1. Having four cycles or circles; spec. in Bot., having four whorls of floral organs.1878Macnab Botany ix. (1883) 161 Dicotyledones... Flowers typically tetracyclic pentamerous....

    2026-02-21