Authentification
n. 证实, 认可
🗣️ 情景例句
Wonderful.
真精采。
About ten minutes.
大约10分钟。
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。