Carbohumin
[地质]碳胡敏素
🗣️ 情景例句
she would call us.
她会打电话过来的。
It's a dark town.
这是一个黑暗的乡镇。
The same old favorites recur year in year out with monotonous regularity.
相同的决心以单调的规律年复一年地出现。