愉悦口语:第168期 磨牙英文怎么说
英语课
讲解文本：
grind one's teeth 磨牙
grind 磨，碾
Some people grind their teeth while they are asleep.
有些人睡觉时磨牙齿。
My roommate Jack 1 always grinds his teeth in his sleep, which is a totally disaster.
我室友Jack喜欢睡觉磨牙，这对我就是个灾难。
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收听单词发音 1
jack
n.插座，千斤顶，男人；v.抬起，提醒，扛举；n.（Jake）杰克
参考例句：
I am looking for the headphone jack.我正在找寻头戴式耳机插孔。
He lifted the car with a jack to change the flat tyre.他用千斤顶把车顶起来换下瘪轮胎。
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愉悦口语