Self-maintaining
自然冲淤
🧩 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;
[化] 维护; 保养
🗣️ 情景例句
Keep your eyes on the road.
专心开车。
When the fruit is scarcest, its taste is sweetest.
物以稀为贵。
He noticed that a river of liquid rock was coming towards him.
他发现有一股岩浆正向他流过来，