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
Those were great days and we were very happy.
那些日子美好极了，我们过得很幸福。
That's a pity.
那真可惜。
Let me give you an indication.
我可以提示一个想法。