This is the first time this natural system has been exploited for drug delivery.

这是第一次利用自然分类系统开发药物输送技术。

youdao

The Danish study included 365,550 teenagers and women who had an abortion or first-time delivery between 1995 and 2007. None had a history of psychiatric problems that required hospitalization.

丹麦的这项研究调查了1995到2007年间365,550名堕胎和初次生育的青少年及妇女，她们均没有过精神病院住院治疗的疾病史。

youdao

The Danish study included 365, 550 teenagers and women who had an abortion or first-time delivery between 1995 and 2007. None had a history of psychiatric problems that required hospitalization.

丹麦的这项研究调查了1995到2007年间365 550名堕胎和初次生育的青少年及妇女，她们均没有过精神病院住院治疗的疾病史。

youdao

Speaking via Skype,she says no. "I think further studies will be necessary to show whether the differences we've demonstrated depending on delivery mode of babies when they first emerge into the world actually carry over time, and whether those differences might contribute to health outcomes."

VOA: standard.2010.06.30

For the first time, FoI will cover the delivery of public services by private companies.

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And everything went entirely according to plan for Collingwood's men as two wickets had already fallen by the time Jayawardene departed to Broad's first delivery.

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It is expected to radically reduce the number of nuclear delivery vehicles and, for the first time, deployed warheads perhaps to less than 1500 weapons in the U.S. and Russian arsenals.

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