1·This is a earth line rather than a live line.
这一根是零线而不是火线。
2·Chinese manufactures are difficult to connect the 'heaven and earth line' with large buyers in America.
原因是信息不对称，中国制造商难以和美国大型采购商搭通‘天地线’。
3·An eclipse happens when the earth and moon are in line with the sun.
地球和月亮与太阳处在一条直线上，日食就发生了。
—— 《牛津词典》
4·The equator is an imaginary line around the middle of the earth.
赤道是一条假想的环绕地球腰部的线。
—— 《牛津词典》
5·Arrows would continue to fly forward forever in a straight line were it not for gravity, which brings them down to earth.
要不是重力使箭掉落地上，它将会一直沿直线往前飞行。
—— 《柯林斯英汉双解大词典》
6·But after 45 minutes of daylight, a dark line appears on the planet, dividing Earth into night and day.
但在45分钟的日光照射之后，一道黑暗线就出现在地球上了，它将地球分割为白天和黑夜两个地区。
7·During an eclipse, the sun, Earth and moon line up, leaving a darkened moon visible to observers on the night side of the planet.
月全市发生时，太阳，地球和月球连成一线，地球夜晚一侧的观察者可以看到一个变暗了的月亮。
8·For example, to the occupants of the shuttle orbiting the Earth, it can look like they're traveling on a straight line through space.
例如，对于环绕地球的航天飞机内的宇航员而言，他们似乎是以直线方式在太空中运行的。
9·Imagine taking a tube, placing the Earth inside of it, and projecting the Earth's image onto the tube along that line.
想象有一个管道，将地球放于其中，沿着直线将地球的图像投影到管道中。
10·The last total lunar eclipse - when the sun, Earth and Moon are almost exactly in line, with the Moon and sun on opposite sides of the planet - was in February 2008.
上一次日食发生在2008年2月，当时太阳，地球和月亮完全在同一条直线上，月亮和太阳分别在地球的两边。