Coal formation
[建] 煤之生成
?? 詞語組成解析
coal
[kol]
n. 煤;煤塊;煤堆;木炭;
vi. 上煤;加煤;
vt. 給…加煤;把…燒成炭;
formation
[f?:'mei??n]
n. 形成;構成，結構;形成物;編隊，隊形;
??? 情景例句
With two bedrooms?
有兩間臥室嗎？
Rose, let me introduce my friend to you.
羅斯，讓我介紹一下我的朋友。
There are even stories of half-trained elephant calves who have refused to feed and pined to death when by some unavoidable circumstance they have been deprived of their own trainer.
訓練了一半的小象，由于不可避免的情況與他們的主人分離后，竟拒絕吃食，消瘦至死。