However, when the researchers applied both techniques to teeth, they realized that the racemization offered an additional useful detail, a good gauge of an individual's age at death.

然而，当研究人员将两项技术一并运用于牙齿上，他们意识到外消旋化提供了一个额外的有用细节，能成为个体死亡年龄的良好衡量标准。

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They started lips death and teeth cold, have lost the security sense, thought not only own finance not to be able to obtain the safeguard, family member's safety also with difficulty safeguards.

他们开始唇亡齿寒，失去了安全感，觉得不但自己财务不能得到保障，家庭成员的安全也难以保障。

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However, the audience may imagine that the actor escaped a terrible death by the skin of his teeth.

然而观众可能会认为这们演员是虎口脱险，幸免惨死的。

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Both Britain and France abolished the death penalty in the teeth of strong popular opposition.

ECONOMIST: Timothy McVeigh��s execution

"The fact she had her teeth extracted several years before her death because of what her family believed was Coke-induced tooth decay, and the fact that one or more of her children were born without enamel on their teeth, should have been treated by her, and by her family, as a warning, " TVNZ quotes his statement as saying.

BBC: Coca-Cola bottles (Archive shot)