bottom soil

基本解释

• [地球科学]底土

英汉例句

双语例句

• These changes were brought about by the complex effect of water and bottom soil quality and topographic changes.
  这是水质、底质和地形环境改变综合作用的结果。
• The paper provides the key factors to control the pit construction by restricting heave of the bottom soil and minimizing tunnel displacement.
  文章阐述了如何通过控制基坑施工主要影响参数，进而限制坑底土体隆起，减小隧道位移。
• The results indicate: ① Using topsoil stripping, soil fertility is nearly the same as original soil, soil nutrients are higher in the topsoil than the bottom soil, and there is an upward tendency.
  结果表明：①剥离复垦耕地的土壤肥力基本保持不变，耕层养分高于底层，并呈逐年上升的趋势；

原声例句

• A piece of sod has grass on the top and soil on the bottom.

权威例句

• These microbes are found just about everywhere--in the soil, at the bottom of the ocean, inside our bodies.
  FORBES: On The Cover/Top Stories

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词组短语

短语

• pile bottom off soil 悬桩
• ocean bottom soil sampling 大洋底质调查
• pit bottom soil 坑底土体
• stream bottom soil 河底土壤
• pit bottom soil layer 坑底土层

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专业释义

地球科学

• 底土