Co-current
[建] 直流, 并流
🧩 词语组成解析
[医] 钴(27号元素)
🗣️ 情景例句
Tuesday or Wednesday.
星期二或者星期三。
All men are mortal.
人孰无死。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。