Co-evolution
[医]协同进化
🧩 词语组成解析
[医] 钴(27号元素)
🗣️ 情景例句
But personally I believe a business letter should end with Very truly yours, not Sincerely.
还行，乔治。但是我个人相信一封商业信函应该以“敬上”结尾，而不是“谨启”。
Have you taken a plane?
你坐过飞机吗？
What's the time?
几点了？