Computer is a hot door.

电脑是一个热门。

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Before opening any door in the fire area, check it with the back of your hand first. A hot door handle indicates that the fire has spread, do NOT open the door.

如需打开着火区的门之前，首先用您的手背进行检查门的把手，如果门把手发热表明火势已经蔓延，不要打开门。

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She opened the door to her bedroom, thinking how restorative a hot bath would feel tonight.

她打开了卧室的门，想着今晚洗个热水澡将会是多么惬意的事啊。

《柯林斯英汉双解大词典》

Show up between 10 pm and midnight every night except Monday for fresh hot bread sold from the back door.

BBC: Hawaii��s hush-hush getaway

They saw the pool but kept behind Gerry as he got the front door open and walked into hot dead air.

NEWYORKER: Bullfighting

The first time he fired up his double hot plate, the fuse-box door was open and he witnessed a cerulean flash and a rattail of smoke, the first of four fuses it took to fry one egg.

NEWYORKER: Idols