Self-maintenance
自动维持
🧩 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;
🗣️ 情景例句
And so...
所以……
It's very nice of you to come and see me off.
您来给我送行，真是太客气了。
She has no money and no place to live.
她没钱，也没地方住。