Planetesimal
n. 星子, 小行星体
🗣️ 情景例句
my career opportunities in Los Angeles.
我在Los Angeles的事业机会。
We've only sold our product at trade fairs, not in an on-going sales campaign.
我们的产品只在商展时展售，而没有办促销活动。
the movements of the ground or of the table as the quake passed by.
大地和桌子的运动情况。