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 always mix up these two words.
我老是把这两个词搞混。
We'd have to compare notes on what we've discussed during the day.
我们想用点时间来研究讨论一下白天谈判的情况。
Don't move!
不许动！