If it had hitthe Earth, it would have made a crater 100 miles across and thrown up an immense cloud of dust.
如果它撞上了地球,就会砸出一个100英里宽的大坑并扬起巨大的尘埃云团。
《柯林斯英汉双解大词典》
2
He wasn't burned because the survival kit attached to him by a long cord hitthe ground first, throwing up a dust cloud that put out the fire in a 10-foot circle. He was surrounded by flames.