Three-sided
三面的
🧩 词语组成解析
three
[θri]
num. 三;三个;第三（章，页等）;
n. 三岁;三个人[东西];三，三个;
adj. 三的;三个的;
a. 有边的, 有面的
🗣️ 情景例句
and how hard it is
他还说这件事很难
I know the boy whose father is a professor.
我知道那个男孩的父亲是大学教授。
Byrd now knew that he would be able to reach the South Pole which was 300 miles away, for there were no more mountains in sight.
伯德这时知道他能够顺利飞抵300英里以外的南极了，因为前面再没有山了。