One of the first tunnels. Probably, the first Half-Life video game was created on the base of the one of such objects.

首批隧道之一。大概第一部“半条命”电视游戏是以一个这样的场所为基地设计的。

youdao

Within the first month, one quarter to one half of all deaths occur within the first 24 hours of life, and 75% occur in the first week.

在这第一个月中，四分之一到一半死亡发生在出生后最初24小时内，75%发生在第一周内。

youdao

In fact, I'd spent the first half of my life as a dog denigrator.

事实上，我的前半生活地就像狗一样糟糕。

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He was not always a clergyman. During the first half of his life, he was a teacher in the military school at Woolwich.

VOA: special.2009.01.03

He was not always a clergyman. During the first half of his life he was a teacher in the military school at Woolwich.

VOA: special.2011.03.26

He spent the first half of his life in search of a stable identity.

ECONOMIST: Barack Obama

He spent the first half of his life as a near-invalid, ill and frail and certain he was doomed to an early death, just like Shelley.

ECONOMIST: A man who, by turns, was seductive and infuriating

Whereas the Candide-like picaresque of the first half persuasively evokes life under brutal totalitarianism, the identity-switching and intrigue of the second part seem to originate in little more than the need to spin a yarn.

NEWYORKER: Dear Leader