Translate the following sentence into Chinese.
These technologies are allowing us to pursue our researches with data that we didn’t know a few years ago.
Then you need to watch the path of the sun closely at each hour of the day.
Within minutes, news reports confirmed that Los Angeles’ San Fernando Valley had taken a direct hit from an earthquake comparable in size to the damaging 1972 San Fernando earthquake.
Plants and animals that have been studied carefully (including the human) seem to have built-in clocks.
“Large earthquakes are always disconcerting," she said. "Being a geophysicist I was immediately interested in how large the earthquake was and where it had occurred."
They gave the scientists clear indications of the style and relative size of an earthquake that might strike there, even though the faults there do not all break the surface.
Just getting rough direction from the sun is easy. It rise somewhere toward the east and sets somewhere toward the west.
To tell direction accurately from the sun, a person needs to know the exact time.
These biological clocks, as they are called, usually are not quite exact in measuring time.
Wearing their thick space suits, they learned to deal with an environment where there is neither weight nor gravity, neither “up” nor “down”.
In the laboratories where astronauts are trained for their journeys, they are subjected to conditions that resemble those of flight.
We do not realize how much we depend on the earth's gravity until we are deprived of it.
Both of these "space walkers" had spent months previous to their flight learning how to control their movements under the strange conditions which exist in space.
The whole world seemed to be black, black nothingness. The sky was black with bright, shining stars that never twinkled.
This was the scene that spread before the eyes of the first astronaut who left his spaceship to walk in outer space.
The sun which looks like a white, burning disk, seemed to hang in the black velvet of the surrounding heavens.
It takes time for them to prepare for the great changes that occur in space.
It was three years after the first satellite launching that a spaceship containing a man made a successful flight.
Then our feet no longer stay on the ground, we float around in the air, and the slightest touch may send us drifting off in the opposite direction.
Vitamin E has not been found to have any toxic effect in large doses but neither do there seem to be any noticeable benefits.