2026-06-23 17:44:50 浏览次

subsoil是什么意思 英['sʌbsɒɪl] 美['sʌb'sɔɪl] n. 下层土, 底土vt. 掘起...的底土n. the layer of soil between the topsoil and bedrocksubsoil的用法和双语例句：1. The subsoil beneath the city con...