resid
resid — 名詞
1. Thick, dark liquid that stays after crude oil has been heated to remove its ligh
渣油；殘渣油
石油蒸餾後剩餘的濃稠液體
Thick, dark liquid that stays after crude oil has been heated to remove its lighter parts, such as gasoline and kerosene. It is used as fuel or turned into other products like asphalt.
The factory burns resid to heat its large boilers during the cold winter months.
這間工廠燃燒渣油，在寒冷的冬季加熱大型鍋爐。
burn resid — used as fuel
Workers pump the hot resid from the distillation tower into big metal storage tanks.
工人將滾燙的渣油從蒸餾塔泵入大型金屬儲存槽。
pump resid + from + into (transfer locations)
Some power plants use resid as fuel because it costs much less than natural gas.
有些發電廠使用渣油作為燃料，因為它比天然氣便宜很多。
After making gasoline, the thick resid left behind can be turned into road tar.
提煉出汽油之後，留下的濃稠渣油可以製成鋪路用的柏油。
The chemist tested a sample of resid to measure how much sulfur it still contained.
化學家測試了一份渣油樣本，以測量其中還含有多少硫。
用法筆記
Resid is a shortened form of 'residual oil' and is used mainly in the petroleum and energy industries. It is treated as an uncountable noun, so it takes a singular verb (e.g., 'resid is pumped').