八十岁

B in relation to a person who has attained the age of eighteen years, the consent in writing of that person; or

b 有关已达十八岁的人士，其父母或监护人的书面同意；或

A in relation to a person who is under the age of eighteen years, the consent in writing of his parent or guardian

a 有关十八岁以下人士，其父母或监护人的书面同意。

If you are under the age of 18, consent from your parent or guardian is required before you give us any personally identifiable information.

如阁下未满十八岁，必须先得到家长或监护人的同意，方可向本公司提供任何可辨识的个人身份的资料。

Applicant under the age of 18 must have parental consent to join the program.

十八岁以下申请人须得到家长同意方可参加本特工计划

He was eighteen years old, had Down's syndrome and was a delight to be with.

他十八岁，有唐氏症而且是高兴是与。

She outlived him by forty-three years, and died at the age of ninety-eight while waiting to set out for Drury Lane Theatre.

伊娃比加里克多活了四十三年，她在等待出发前往德鲁里莱恩剧场时去世，享年九十八岁。

When, at the age of eighteen, he entered the University of Erfurt, his situation was more favorable and his prospects were brighter than in his earlier years.

他十八岁入了艾弗大学，那时他的家境已经好转，他的前途比早年更光明了。

He worked on a farm for a few years, but at eighteen he started working on ships. In 1756, he joined the Royal Navy.

他在一个农场干了几年活儿，但十八岁时开始在轮船上工作。1756年，他加入了皇家海军。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。