doze off
phrasal verb with doze verb [ I ] uk/dəʊz/ us/doʊz/
informal
（尤指在白天）睡着了，入睡了
If you doze off, you start to sleep, especially during the day.
The office was so hot I nearly dozed off at my desk. 办公室里很热，我差点在办公桌上睡着了。
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