井底

jǐng dǐ de shēng yīn

井底的声音

sounds from the bottom of the well

tā men shēn zài dì xia xiàng shì jǐng dǐ yòu xiàng shì shēn bù kě cè de fén yíng

她们身在地下，像是井底，又像是深不可测的坟茔。

They were down in some subterranean place the bottom of a well, for instance, or a very deep grave.

yī gè jǐng dǐ chē chǎng

一个井底车场

a shaft station

yī gè jǐng dǐ kuàng cāng

一个井底矿仓

a shaft pocket