Triennial
a. 每三年一次的\\nn. 三年生植物, 三年发生一次的事
📖 牛津释义
triennial
adj
lasting for or happening every three years 持续三年的; 每三年一次的.
🗣️ 情景例句
The truth is, I'd like to live in the city.
老实说我也想住到城里来。
If the sky fll (or falls), we shall catch larks.
异想天开
I'm the purchasing agent here.
我是这里负责采购的