Ejecta
n. 喷出物, 渣, 废物\\n[医] 排出物
🗣️ 情景例句
Her illness kept her in bed for a week.
她因生病而在床上躺了一星期。
It doesn't make any difference.
都一样。
You've done very well and made lots of progress.
你功课学得很好，进步很大。