Residuum hydroconversion
[化] 渣油加氢转化; 渣油加氢转化法
🧩 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
If someone doesn't buy it before then,
如果在此之前没有人买走的话。
Who rang the bell a while ago?
刚才谁在按门铃？
It is harvest time, and all the farmers are very busy.
因是收获季节，所有的农民都很忙。