Residuum
n. 残留物, 剩余物, 残数, 余数, 留数, 社会渣滓\\n[化] 渣油
✅ 同义词
🗣️ 情景例句
At this hour?
在这个时候？
He was involued with the Mafia.
他和黑手掌有牵连。
Why isn't Mrs. Lee's cat catching the mice?
李太太的猫为何不在抓这些老鼠呢？