相關(guān)單詞近義詞 wakefulness 覺醒, insomnia 失眠, restlessness 輾轉(zhuǎn)不安, alertness 警戒, vigilance 警戒, readiness 準(zhǔn)備就緒, liveliness 活潑臨近詞sleepless 返回 sleeplessness