Here I sketch a possible plan based on science, technology, engineering, and math (STEM) awards that would be largely earned through student activities outside of school.

这里，我基于科学，技术，工程，数学(STEM)奖项草拟了一个可能的规划，那就是通过学校的课外活动都达到目的。

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Governments agreed at a meeting in Japan last year to stem the loss of animal and plant species with a sweeping plan of targets for 2020.

包括多方面目标的计划，以期遏止全球动植物物种的丧失。

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They now plan to try growing ovary stem cells from common frogs and, when they find a technique that works, remove some of the yellow-legged frog cells from the cryogenic chamber and test it on them.

他们现在决定培育普通青蛙的卵巢干细胞，等他们掌握了关键技术后然后再从冷冻室内取出黄退青蛙的细胞进行试验。

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Nor would the president have Paulson shoring up an alliance of mortgage lenders to develop a plan to stem the tide of foreclosures.

FORBES: Magazine Article

The breach of fiduciary duty allegations stem from the fact that the Plan assets are invested in a tax deferred variable annuity.

FORBES: SEC Snoozed As "Shadow Marketers" Skimmed Billions From Retirement Plans

Both ViaCell and Jerusalem's Gamida-Cell also say they eventually plan trials that use their stem cells in the heart.

FORBES: Small Stem Cells Find Big Backers