Trigon
n. 三角形, 三角竖琴
🗣️ 情景例句
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一种乐趣，除非一天其中一根火柴不幸燃烧起来。
The thread breaks where it is weakest.
线断常在最细处。
There will be a strong wind to the north of the Huai River.
淮河以北地区有一股强风。