Ammoniticone
菊石壳
🗣️ 情景例句
He's teething.
他正在长牙齿。
Step after step the ladder is ascended.
按部就班，循序渐进。
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。