Library function
[计] 库函数
🧩 词语组成解析
🗣️ 情景例句
Hello, Mr. Stewart.
哈喽， Stewart先生。
This river is one third as long as that river.
这条河只有那条河的三分之一长。
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。