Self-lubricating
自动润滑的; 自润滑
🧩 词语组成解析
self
[self]
n. 自己;本人;本性;私利;
adj. 同一的;纯净的;单一的;
vt. 使自花授精;使近亲繁殖;
vi. 自花授精;
润滑的
🗣️ 情景例句
What do you often eat for supper?
你晚饭通常吃什么？
That nation is famous for its tourism.
那个国家以旅游业闻名。
That's right. And the air today is nice and clean.
对。今天空气很清新。