一块煤 meaning in Chinese

a piece (lump) of coal
a piece of coal

Juana went to the fire pit and uncovered a coal and fanned it alive while she broke little pieces of brush over it .
胡安娜走到灶坑旁，拨出一块煤，一边把火扇着，一边折断几根树枝堆在上面。
Even though my little brother hasn ' t been the best kid , he should at least get a lump of coal
虽然我弟弟还不算是最乖的孩子，但是至少他应该得到一块煤吧？
Then a coal slipped , the fire crackled and sent up a spurt of flame , and he woke with a start
这时，一块煤骨碌下来，炉火噼啪一声，窜出一股火苗，把他惊醒了。
The subject interpreted the feasibility of crash and separating of rock and charcoal by doing a lot of experiments . it also interpreted the fluctuation of a single sample and the stability of all the samples . the strength of a single waste rock and charcoal was more fluctuated , but on the whole it trends to stable
也即在煤矸实验中单独就一块煤、矸来讲其强度是特别离散，但从整体一批矿块来讲其强度服从一种正态分太原理工大学硕士学位论文布，其强度整体上趋于一个稳定值，从大量的实验说明了这一点。