needlestone

听听怎么读
英 ['ni:dlstəʊn]
美 ['nidəlˌstoʊn]
是什么意思
  • n.

    金针状结晶矿石;

  • 学习怎么用

    权威例句

    needle stone
    needle stone
    needle stone
    Character state‐based taxa erected to accommodate fossil and extant needle stoneflies (Leuctridae – Leuctrida tax.n.) and close re...
    Emergency endoscopic needle-knife precut papillotomy in acute severe cholangitis resulting from impacted common bile duct stones at ...
    Implementing a pilot VLE at Rickmansworth School
    [New exploration on the types and forms of stone needle]
    Investigation of the spatial distribution of installation effects around stone columns with an electrical needle
    A Study on Mineralogy and Genesis of a Nanometer Stone Needle
    Mineralogical Characteristics of a Kind of Red Stone Needle