Co-current
[建] 直流, 并流
🧩 词语组成解析
[医] 钴(27号元素)
🗣️ 情景例句
You should use 'officer' to address a policeman.
你应该用 'officer' 来称呼警察。
Something is better than nothing.
有总比没有强。
How many different models of this do you offer?
这个你们有多少种不同的型式。