Cascade oiling
[建] 环给油, 油杯润滑
🧩 词语组成解析
[化] 加脂
🗣️ 情景例句
I don't see what you are getting at.
我不明白你究竟是什么意思。
You had better not bother him right now.
你现在最好不要去打扰他。
I stopped and he asked me for a lift.
我把车停下，他向我提出要求搭车。