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
Let me show you this.
我给你看看这个。
She had a headache, because of the weather here.
由于这里的天气原因她感到有些头疼。
the line that the pen was drawing wriggled from side to side.
笔所画出的线就会左右摆动。