Spontaneous activity
[医] 自发性活动
🧩 词语组成解析
🗣️ 情景例句
Don't talk with your mouth full.
嘴里满是东西时别说话。
I invited him to come in, but he wouldn't.
我请他进来，但是他不肯。
its action depends on the surface, water or ground, over which it rides.
它的飞行取决于它所悬浮的水面或地面。