Demorgan
[计] 德摩根
🗣️ 情景例句
it's ... it's important for Michelle to see us together more often.
让 Michelle看到我们更常在一起是……是很重要的。
A rainbow appears.
彩虹出现了。
it has to develop (partly by means of touch) the ability to judge roughly three-dimensonal distances.
儿童必须发展（部分通过触觉）粗略判断三维空间距离的能力。