/,ʌndə'ni:θ; ,ʌndɚ`niθ/
prep beneath (sth); below 在（某物）的底下或下面
*The coin rolled underneath the piano. 硬币滚到钢琴下面去了.
* She found a lot of dust underneath the carpet. 她发觉地毯下面有许多尘土.
* What does a Scotsman wear underneath his kilt? 苏格兰男子在短裙下面穿着什么?
* Caving means exploring the passages underneath the hills. 洞穴探险运动是指探察山中的通道而进行的活动.

adv beneath; below 在底下; 在下面; 向下
*There's a pile of newspapers in the corner have you looked underneath? 角落里有一堆报纸--那底下你找过了吗?
* When they cleaned up the painting they discovered a Holbein underneath. 他们擦这幅画时发现下面有一幅霍尔拜因的作品.
* (fig 比喻) He seems bad-tempered but he's very soft-hearted underneath. 他似乎脾气很坏, 其实心底里很善良.

n [sing] lower surface or part of sth 物体下部的面; 底面; 底部; 下部
*the underneath of a car, shelf, sofa 汽车、搁架、长沙发的底部.