Word · Frequency #27032
subsoil
底土;下层土
核心释义
the layer of soil between the topsoil and bedrock
- 1.
表土层以下的土层。
The layer of earth that is below the topsoil.
- 2.
表土与基岩之间的土层
the layer of soil between the topsoil and bedrock
表土层以下的土层。;表土与基岩之间的土层;下层土;底土
用法In use
The builders had to dig through the topsoil before they reached the hard subsoil.
用法提示:subsoil 在此作名词,指表土之下的底土层。
Farmers often add lime to the subsoil to improve drainage.
用法提示:subsoil 作名词,作介词 to 的宾语,表示“底土”。
Tree roots can grow deep into the subsoil in search of water.
用法提示:subsoil 作名词,指深层土壤。
the subsoil
作名词时指表土之下的土层,常用 the 特指。
The subsoil is usually denser than the topsoil.
底土通常比表土更密实。
subsoil sth
作动词时是及物动词,后接田地、土地等作宾语,表示深松底土。
相关词与表达Connections
搭配Collocations
- subsoil drainage
- 底土排水
- Proper subsoil drainage prevents waterlogging in heavy rain.良好的底土排水可防止大雨时发生涝渍。
- subsoil water
- 底土水分
- Plant roots can draw on subsoil water during a drought.干旱时期植物根系可以吸取底土中的水分。
- clay subsoil
- 黏土底土
- The clay subsoil makes the ground hard to dig.黏土底土使得地面很难挖掘。
- subsoil compaction
- 底土压实
- Repeated heavy traffic causes subsoil compaction on farmland.重型机械反复碾压会导致农田底土压实。
- deep subsoiling
学习提示Learner notes
记忆技巧Memory Tip
想象“sub”(下面)加“soil”(土),表土之下那一层就是底土。
语境与语域Context & Register
语域:neutral 常见场景:农业、地质学、园艺 这里针对名词义:指表土以下的土层,通常用于农业、地质、园艺等专业语境,日常口语中较少单独使用;动词义(掘起底土)则更少见且更专业。
发音与拼写Pronunciation & Spelling
这些词都与 subsoil 词尾 -soil 的发音 /sɔɪl/ 押韵:topsoil, boil, coil, foil, toil, spoil。注意 subsoil 的重音在 sub- 上,-soil 为次重音。拼写以 -oil 结尾的词常读 /ɔɪl/,但不要被拼写相似的 all /ɔːl/(全部)或 aisle /aɪl/(通道)误导。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.