Stratifies
vt. <正, 术>（使）分层, 成层（stratify的第三人称单数形式）
🗣️ 情景例句
Mmm-hmm.
嗯。
Mike is already a junior.
迈克已经大学三年级了。
and one odd finding that makes the problem puzzling is that it looks very much as if sleeping is not simply a matter of giving the body a rest.
一项使人对这个问题感到困惑的奇怪的发现是，睡眠在很大程度似乎并不仅仅是为了使身体得到休息。