Subsoil
[ ['sʌbsɔil] ]
成人 Adult Edu
n. 下层土, 底土\\nvt. 掘起...的底土
📖 牛津释义
subsoil
n[U]
layer of soil lying immediately beneath the surface layer 底土（层）; 心土（层）. Cf 参看 topsoil (top1).
🗣️ 情景例句
What's wrong?
怎么了？
The statesman retired as the mayor of New York.
那位政治家退休时是纽约市市长。
Our product is lower priced than the competition.
我们产品价格低廉，具有竞争力。