Ring lubrication
[机] 环圈润滑
🧩 词语组成解析
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
n. 润滑, 注油, 润滑作用\\n[计] 润滑
🗣️ 情景例句
Many students are working at part time jobs.
许多学生兼职打工。
I have juice,cereal,toast and coffee for breakfast.
我的早餐有果汁，谷物，烤面包和咖啡。
I must go to the greengrocer's.We haven't got many tomatoes,but we've got a lot of potatoes.
我还得到蔬菜水果店去一下。我们番茄不多了，但土豆还有不少。