Coal petrography
[化] 煤岩学
🧩 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;
n. 岩相学
🗣️ 情景例句
Is it all right if I use a letter of credit?
如果我使用信用证，没关系吧？
Friendship ---- one soul in two bodies.
友谊是两人一条心。
The tragic sinking of this great liner will always be remembered, for she went down on her first voyage with heavy loss of life.
然而，这艘巨轮首航就下沉，造成大批人员死亡。人们将永远记着这艘巨轮的沉没惨剧。