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
Are you good at taking photos?
你拍照拍得好吗？
A bad workman quarrels with his tools.
拙匠常怨工具差（人笨怨刀钝）。
only of metal, which wears away by friction.
而是由金属组成，而金属可以随着磨擦而磨损殆尽。