Preoiler
预先加油器, 预润滑器
🗣️ 情景例句
Come in. Oh, Carl and David.
哦，是卡尔和大卫，请进。
Truth will prevail.
真理必胜。
Well done, Wei Hua! Thank you, said Miss Zhao. I think it's time for us to start the lesson now.
“说得很好，魏华！谢谢，”赵小姐说，“我想现在该是我们学习课文的时候了。”