如果能找到一块样本就可以确认其分类，得出数以万计同一家族其他小行星的结论。

If he could find a sample and identify its class, he would be able to make new conclusions about the thousands of other asteroids in the same family.

youdao

这样的预测令人担忧，这是在评价近地天体（NEO）撞击危险程度的 “托里诺分类表”（THE TORINO IMPACT HAZARD SCALE）中第一次有小行星进入“4级”（译注：该分类表最高为10级）。

This estimate was alarming; it was the first time an asteroid had been promoted to "Level 4" on the Torino Scale -- a near-Earth object (NEO) impact hazard categorization method.

youdao