Lactase
n. 乳糖酶\\n[化] 乳糖酶
🗣️ 情景例句
A serious matter.
一个严重的问题。
I pity the victims.
我觉得受害者很可怜。
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。