adj.無(wú)底的；無(wú)限的；深不可測(cè)的

Law is a bottomless pit. 法律是無(wú)底的深淵。

She had a bottomless well of love for me. 她有一座無(wú)底的井

There isn't a bottomless pit of money for public spending. 公共開(kāi)支并非用之不盡的。

The satellite fell into bottomless space. 衛(wèi)星落入深不可測(cè)的太空。