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1\An impacted wisdom tooth is one that fails to completely r

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/14 19:12:55
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An impacted wisdom tooth is one that fails to completely rise through the gums -- the term is erupt.
the term is erupt.
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Experts say people should have their mouths examined between the ages of sixteen and twenty for placement of their wisdom teeth.
for placement of their wisdom teeth.在句中充当状语对吗?
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Scientists say the diet of prehistoric humans probably required more chewing teeth.Life was probably a little rougher on the teeth back then,too.So it was good to have extras.
Life was probably a little rougher on the teeth back then,too.
So it was good to have extras.to have extras 在句中充当什么成份?
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After surgery,there can be swelling of the gums and face and some pain.
there can be 这是个什么句型呀,从没见过?
1the term is erupt相当于这期间长牙.整句是,智齿就是在长牙的时候没长全,后期才开始长的牙齿.
2 是目的状语.
3 只靠后排的牙齿来咀嚼可能有点困难.be good to do sth 是固定成分,这句是,所以多长几颗牙还是好的.
4 就是there be 的句型,加can是加强语气,就是肯定的意思.整句就是,手术后,牙龈和脸肯定会肿胀,也会有点痛.