| 单词 | sleepless |
| 释义 | Word Frequency sleepless(ˈsliːplɪs) adjective 1. without sleep or rest a sleepless journey 2. unable to sleep 3. always watchful or alert 4. mainly poetic always active or moving the sleepless tides Derived forms sleeplessly (ˈsleeplessly) adverb sleeplessness (ˈsleeplessness) noun |
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