马修擦掉了脸上的煤灰。Matthew scrubbed the coal dust from his face.他们满脸煤灰。Their faces were blackened with soot.他的脸和双手都沾满了煤灰和污垢.His face and hands were coverd with grime from the coal dust....
"What time were you planning lunch?"—"Half past twelve, if that's convenient."“你打算什么时候吃午饭？”“如果方便的话，12点半。”We cannot make this minority a convenient excuse to turn our backs.我们不能拿少数这几个人作为一种方便的借口而对此置之不理。You can also ta...