Event-trees
(event-tree 的复数) 事件树
🧩 词语组成解析
event
[i'vent]
n. 事件，大事;活动，经历;结果;运动项目;
n. 树木；乔木；树状结构（tree的复数）
🗣️ 情景例句
He's a lucky boy.
他是个幸运的孩子。
You're welcome.
别客气。
If it is not a question of resting the body, then perhaps it is the brain that needs resting? This might be a plausible hypothesis were it not for two factors.
如果睡眠的功能不是在于使身体得到休息，那么也许是让大脑得以休息？若不是下面两点，这种假使似乎是有道理的。