日本不卡高清一区二区三区|亚洲福利精品视频无码在线|国产成人国产在线观看入口|成人免费观看在线视频

galena

 
[g?'li?n?]     [g?'li?n?]    
  • n. 方鉛礦
new

galena的英文翻譯是什么意思,詞典釋義與在線翻譯:

英英釋義

Noun:
  1. soft blue-grey mineral; lead sulfide; a major source of lead

galena的用法和樣例:

例句

用作名詞 (n.)
  1. Silver in ores is positively correlated with copper but it is absent in galena.
    礦石中的銀與銅呈明顯正相關關系
  2. Lead is rarely found free in nature; it is major in the sulfide and galena.
    鉛在自然界中很少呈游離態,主要存在硫化物和方鉛礦中。

詞匯搭配

令日新詞匯
文件目錄 緒論 查詞歷史長河