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 does your father do?
你父亲从事什么职业？
Life is sweet.
生命是甜美的。
What's your trouble?
你哪儿不舒服？