Vacuum residuum
[化] 减压渣油
🧩 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
Shells she sells on the seashore are seashells I am sure.
我敢肯定她在海边卖的贝壳是海贝。
If you run after two hares,you will catch neither.
同时追两兔，一只也难捕。
That's why we were getting anxious about you.
所以我们才为你们担心。