Event triangle
[计] 偶三角形
🧩 词语组成解析
event
[i'vent]
n. 事件，大事;活动，经历;结果;运动项目;
🗣️ 情景例句
A professional writer?
职业写作人员？
Many a good cow hath a bad calf.
虎父生犬子。
How long will your offer hold good?
一般你们报价的有效期是多长？