Boghead coal
[机] 烟煤
🧩 词语组成解析
[机] 烟煤
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
and giving up your free time.
放弃了你的闲暇时间。
Building is rewarding.
建造东西是有价值的事。
The remains of plants and animals that lived on land are much more rarely preserved, for there is seldom anything to cover them over.
曾在陆地上生活过的动植物的遗体被保存下来的更为罕见，因为陆地上几乎没有什么东西覆盖它们。