Coal series
[建] 煤系
🧩 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
Don't the flowers smell wonderful?
花儿闻起来好香， 不是吗？
Diligence is the mother of good luck.
刻苦是成功之母。
There are some boats on the river.
河上有几艘船。