出典:Wiktionary
出典:『Wiktionary』 (2025/10/20 21:08 UTC 版)
rock-bottom (third-person singular simple present rock-bottoms, present participle rock-bottoming, simple past and past participle rock-bottomed)
出典:『Wiktionary』 (2026/01/23 02:37 UTC 版)
rock bottom (uncountable)