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
Come on, you big guy.
过来， 你这个好小子。
There is no virtue that poverty destroyeth not.
没有贫穷不能破坏的美德。
Kidnappers are rarely interested in animals, but they recently took considerable interest in Mrs.Eleanor Ramsay's cat.
绑架者很少对动物感兴趣。最近，绑架者却盯上了埃莉诺。拉姆齐太太的猫。