Triangularity
n. 成三角形
🗣️ 情景例句
I'll write if you will.
我会给你写信，你也要写哦。
They are so busy these days, that they don't even have time for their friends.
他们最近忙得没法和朋友见面。
the graphic record shows three waves arriving one after the other at short intervals.
曲线纪录就能显示出前后相间的这3种地震波。