Dubbs residuum
[化] 杜布斯式热裂化残油
🧩 词语组成解析
n. 残留物, 剩余物, 残数, 余数, 留数, 社会渣滓\\n[化] 渣油
🗣️ 情景例句
the bank needs to be sure
银行需要确定
Nothing comes out of the sack but what was in it.
无风不起浪。
No problem!
没问题！