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
Come in please, and take a seat.
请进。请坐。
Just tell me what you'd like me to do.
你要我做什么就请你吩咐吧。
I'm all ears.
洗耳恭听。