Self-activity
n. 自动；自发活动
🧩 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
I haven't had a minute to relax all day.
我今天连一分钟都没休息。
To travel by ship
乘船旅行
I'm very sorry, but I can't come.
但很抱歉，我不能来。