Self-propelled vehicle
un. 自航器\\n
🧩 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;
a. 推进的
🗣️ 情景例句
Good day.
再见！
He has gone to America.
他去了美国。[表示结果持续至今]
but he was in such a bedraggled condition than an assistant refused to serve him.
但店员见他浑身泥水的样子，竟不肯接待他。