Upper carboniferous
un. 上石炭统\\n
🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
n. 石炭纪, 石炭层\\na. 含碳或煤的
🗣️ 情景例句
He's working with me during the summer months as an intern.
在夏天的这几个月到我这里来当实习生。
Dorothy felt refreshed after her nap.
多罗茜一觉醒来，觉得精神一爽。
on applied psychology, and on the capacity of a man to get along with his fellow-citizens.
实用心理学和与同伴相处的能力。