clays [k'leɪz]

例句:

• The clays and the basalts are of similar chemical composition.
  来自SA
• Heavier grains settle out first, followed by the finest-grained muds and clays.
  来自SA
• Consolidation settlement occurs mainly in clays or silts.
  压缩沉降主要出现在粘土或粉沙中.
  
• This will occur both in sands and clays.
  这在砂土地和粘土地带常常发生.
  
• Thus clays and shales tend to be impermeable.
  因此粘土和页岩就往往不透水.
  
• These clays indicate formation in, or substantial alteration by, neutral water.
  来自BBC