Ecac
abbr. Electromagnetic Compatibility Analysis Center 电磁兼容性分析中心
🗣️ 情景例句
If the owners don't claim the dog in forty-eight hours,
如果狗的主人在四十八小时内不认领，
He that is angry is seldom at ease.
怒者寡宁。
Not at all. It was a pleasure!
不客气。那样我很高兴。