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
I love you, Grandpa.
我爱你， 爷爷。
What's the height of the building?
这座楼有多高？
The dream he had had for so many years ended there.
他多年来的幻想从此破灭。