The mother supports her 2 baby near the surface in order to help it to breathe until it is strong enough to swim on its own.

母亲在水面附近支撑着她的两个宝宝，以帮助它呼吸，直到它强壮到可以自己游泳。

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Recent field studies, however, reveal that on dives in the wild, the seal usually heads directly for its prey and returns to the surface in less than twenty minutes.

然而，最近的实地研究显示，在野外潜水时，海豹通常会直接冲向猎物，并在不到20分钟内返回水面。

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Its graph will be a surface in space.

图像是空间里的一个曲面。

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So,at the age of forty-seven she started to glue crushed colored glass in special designs on every surface in her house.

VOA: special.2010.04.14

They might ingest extracellular antigen, presented pieces of it on their cell surface in the context of MHC-2.

它们可以吞噬胞外抗原,根据细胞表面的,主要组织相容性抗原-2

耶鲁公开课 - 生物医学工程探索课程节选

This property of cells in culture is called anchorage dependence - that the cell needs to be anchored to a surface in order to function properly.

体外培养细胞的这种特性,称为贴壁依赖性--,意思是细胞必须固定在,某个表面上才能正常生长

耶鲁公开课 - 生物医学工程探索课程节选

Robot safety is likely to surface in the civil courts as a matter of product liability.

ECONOMIST: Robotics

The earliest the next IPO is likely to surface in the U.S. is mid-September.

WSJ: For IPO Market, Sand, Then Vacation

They do so by appropriating hashtags so as to surface in each others' searches.

ECONOMIST: E-communication and society