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.
因为有几十块落入地球的陨石不是来自于小行星带，而是直接来自火星。
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.
穿过小行星带继续前进，我们进入了气体巨行星区域：木星、土星、天王星、海王星，所有这些都使地球看起来像个侏儒。
Like a frozen asteroid belt, it’s littered with chunks of ice and frozen methane and ammonia.
象一个冰冻的小行星带一样，它的上面布满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