He had been, he said modestly, swimming champ at high school.他谦逊地说，念中学时他曾经是游泳冠军。She cast her eyes down modestly while Jack was talking about her.杰克谈及她时她稍稍垂下目光。She sat down cautiously on the red canvas cushions, knees mod...
The corn stover mainly consists of cellulose, hemicellulose and lignin.玉米秸秆主要由纤维素 、 半纤维素和木质素组成.This bacterial decay of cellulose also occurs in the gut of most herbivorous animals.在很多食草动物的肠内这种纤维素也能被细菌分解.The plant uses th...
...a slight man with auburn hair and a freckled face.一头红褐色头发、脸上长有雀斑的瘦小男子He was tall, vigorous, sandy - haired, freckled, genial and voluble.他个子高高的, 精神抖擞, 淡茶色的头发, 脸上有雀斑, 性情和蔼,口齿伶俐.Her freckled skin glowed with health agai...