asteroid belt

基本解释

Because a few dozen of the meteorites that have fallen to Earth come not from the asteroid belt but from Mars.
因爲有幾十塊落入地球的隕石不是來自於小行星帶，而是直接來自火星。
Moving on through the asteroid belt we enter the realms of the gas giant planets: Jupiter, Saturn, Uranus and Neptune, all of which dwarf the Earth.
穿過小行星帶繼續前進，我們進入了氣躰巨行星區域：木星、土星、天王星、海王星，所有這些都使地球看起來像個侏儒。
Like a frozen asteroid belt, it’s littered with chunks of ice and frozen methane and ammonia.
象一個冰凍的小行星帶一樣，它的上麪佈滿冰柱及凝固的甲烷及氨。

The American space agency's Dawn spacecraft began circling Vesta, a member of the asteroid belt that orbits the sun.
"We will use the tremendous capabilities of this ion propulsion system to climb out of orbit around Vesta, travel for almost another three years through the asteroid belt to dwarf planet Ceres and then go into orbit around Ceres and undertake the same kind of measurements there that we'll be doing at Vesta.

Early on, Moskovitz says the entire solar system probably resembled one giant asteroid belt.
FORBES: Main Asteroid Belt No Remnant Of Exploded Planet
Although downward-looking diagrams of the Main Asteroid Belt make it look incredibly dense, the region has significant gaps, clumps and clusters.
FORBES: Main Asteroid Belt No Remnant Of Exploded Planet