Self-propulsion
n. 自力推进
🧩 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
He didn't get a thing to eat.
他什么也没有吃。
Step by step the ladder is ascended.
登梯需要逐级登。
He was known to us all as Dickie and his eccentricity had become legendary long before he died.
大家都管他叫迪基。早在他去世前很久，他的古怪行为就成了传奇故事了。