He says a lot of it can be avoided just by choosing the right plant for the right space.

VOA: special.2009.10.06

Milton opens up a shady space for something approaching a kind of moral relativism where black and white theological categories simply don't apply.

弥尔顿为接近道德上的相对主义,即黑和白之间的区分已经无法简单的适用,开创了先河。

耶鲁公开课 - 弥尔顿课程节选

It doesn't work that way for a variety of reasons, but the main reason is that you want some decisions to be made at each space between two cells.

这出于很多原因,但主要的原因是,在每个细胞间隙,都需要决定信息是否继续传递

耶鲁公开课 - 生物医学工程探索课程节选

But seeing Earth from space may soon become a reality for wealthy people who dream of space travel.

VOA: special.2009.12.18

For example, one American astronaut on a four-month long mission on the Russian space station Mir saw a vision of his dead father.

VOA: special.2010.02.24

For example, one effect of a weak economy is less demand for office space.

VOA: special.2009.09.04

It tested instruments for controlling a vehicle in the weightlessness of space.

VOA: special.2010.07.07

The name suggests the goal for a future generation of space explorers.

VOA: special.2009.12.30

The Discovery and its seven-person crew will deliver a final set of solar arrays and the last main truss for the space station.

VOA: standard.2009.03.15

Its ultimate aim is to build a series of laser tracking stations in various countries to provide a defensive shield for activity in space.

VOA: standard.2010.07.24

And that's what they're up to - trying to use the rationale of a legitimate space launch for a missile, which is in its foundation a military missile,".

VOA: standard.2009.03.26

But earlier,Buzz Aldrin the second man to walk on the moon took part in a NASA news conference where he pushed for a new round of space exploration, with the goal of sending astronauts to Mars.

VOA: standard.2009.07.20