Spherical trigonometry
n. 球面三角学
🧩 词语组成解析
n. 三角学
🗣️ 情景例句
Littering is a serious offense in some countries.
乱扔垃圾在某些国家是严重的违法。
A man of words and not of deeds is like a garden full of weeds.
一个只说不做人就像一个长满野草的花园。
Tianjin will be cloudy and the temperature will...
天津多云，气温……