Keep something warm 表示防止某物变冷：keep the soup warm、a jacket that keeps you warm。天气寒冷或有人感冒时，也常听到保暖的提醒：Keep warm and get some rest。
想记住 keep warm 的用法吗？
写一句英语，查看错误和更自然的表达建议。
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keep warm; keep + someone/something + warm
- We lit a fire in the evening to keep warm in the mountain cabin.
- Wrap the pizza in foil to keep it warm until everyone arrives.
- This coat isn't stylish, but it keeps me warm on the way to work.
修改原因
修改前The doctor told me to keep in warm and drink a lot of tea.
修改后The doctor told me to keep warm and drink a lot of tea.
原句多了 in，把 warm 当成了可以待在里面的地方。但这里 warm 是描述人暖和、不冷的状态，keep warm 就是保持这种状态。前面不加介词。
Get warm 和 warm up 表示已经冷了，再暖和起来：I'm freezing, I need to warm up。Keep warm 则强调防止变冷：Take a scarf to keep warm。
动手练习
It's minus twenty today, so wear two pairs of socks to ___ while you wait for the bus.
查看答案
keep warm — 出门前穿上袜子，是为了等公交时不受冷，所以选 keep warm。Get warm 强调已经冷了之后再变暖，不符合这里提前保暖的重点。
写你冬天在家中或室外怎样保暖。说出一件物品或一个习惯，并解释它为什么有帮助。
In January I always carry a thermos of hot tea, because it keeps me warm during my long walk to the office.
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