🧩 词语组成解析
lettuce
['letis]
n. 莴苣，生菜;<俚>纸币;
🗣️ 情景例句
I'm tired and hungry.
我累了， 也饿了。
Grasp all, lose all.
贪多必失。
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。