Eco
abbr. 电子耦合振荡器（Electron-Coupled Oscillator）；环境控制组织（Environmental Control Organization）；经济合作组织（Economic Cooperation Organization）
🗣️ 情景例句
Why don't you join us?
你何不参加入我们呢？
Nothing is impossible (or difficult) to the man who will try.
天下无难事，只怕不努力。
I'm poor, but I always enjoy myself! he said. I don't know why!
“我很穷，但我总是过得很愉快！”他说，“我不懂为什么！”