Petroleum refinery
[化] 石油炼厂
🧩 词语组成解析
🗣️ 情景例句
I'll go upstairs and stay with him until he falls asleep again.
我上楼去陪他， 直到他又睡着。
I'll get this bag for you.
我来替你拿这个包吧。
It's a very old castle. It is the oldest one in Britain.
这个城堡很古老，它是英国最老的了。