Spittle insect
[医]沫蝉, 吹沫虫（沫蝉科）
🧩 词语组成解析
spittle
[['spitl]]
n. 唾沫, 吐出的泡沫\\n[医] 唾沫, 涎液
🗣️ 情景例句
He missed a phone call.
他没接到一通电话。
Sorry, can I see her before Friday?
对不起，我能周五之前见她吗？
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。