Unartificial
a. 非人工的, 自然的
🗣️ 情景例句
To help scrub the building interior clean.
帮忙把建筑的内部擦洗干 。
The best teacher one can have is necessity.
我们能得到的最好教师是“需要”。
The bank must obey its customer's instructions, and not those of anyone else.
银行必须遵照储户的嘱托办事，不能听从其他人的指令。