adj.无底的；无限的；深不可测的
Law is a bottomless pit. 法律是无底的深渊。
She had a bottomless well of love for me. 她有一座无底的井
There isn't a bottomless pit of money for public spending. 公共开支并非用之不尽的。
The satellite fell into bottomless space. 卫星落入深不可测的太空。
