n. 床, 睡眠处, 河床, 底座, 路基, 一层
vt. 提供宿处, 栽种, 安装
vi. 睡, 形成坚实的一层
英文释义
n. a piece of furniture that provides a place to sleep
n. a plot of ground in which plants are growing
n. a depression forming the ground under a body of water
n. (geology) a stratum of rock (especially sedimentary rock)