Lignitous coal
[化] 褐煤
🧩 词语组成解析
coal
[kol]
n. 煤;煤块;煤堆;木炭;
vi. 上煤;加煤;
vt. 给…加煤;把…烧成炭;
🗣️ 情景例句
or are you refinancing your present home?
还是原有的房子重新申请贷款？
May I have another cup of coffee?
我能再要一杯咖啡吗？
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。