Q.2 h.
[医] 每二小时
🧩 词语组成解析
[医] 普朗克氏量子常数
🗣️ 情景例句
Thanks. Excuse me.
谢谢。失陪一下。
Like cow, like calf.
有其父必有其子。
My old friend, Harrison, had lived in the Mediterranean for many years before he returned to England.
我的老朋友哈里森在回到英国以前曾多年居住在地中海地区。