当这颗恒星爆发的时候，它产生的冲击波向周围扩散，如同一个铲雪犁一般掀起路径上的星际尘埃。

When the star exploded, it sent out a blast wave into the surrounding material, scooping up interstellar dust and gas as it went, like a snow plow.

youdao

她咕哝道，然后拐过弯去，只见一幕美丽的画面：一辆平路机正用雪犁一边铲雪，一边向山上驶去。

Then she rounded the bend and saw a beautiful sight: a road grader, laboring uphill with its snowplow lowered.

youdao