Even from a distance the effect of his fox costume was stunning.即使从远处看，他的狐狸戏服也很抢眼。I felt a bit self-conscious in my swimming costume.我穿着游泳衣觉得有点害羞。She patted Mona, taking care not to disturb her costume.她轻轻拍了拍莫娜，小心翼翼地，生怕弄...
He carried on telling a joke, laughing his head off.他继续讲笑话，自己笑得前仰后合。They dragged him to the village square and chopped his head off.他们将他拖到村里的广场上，把他的头砍了下来。I laughed my head off when I heard of his discomfiture.听到别人说起他的狼狈相...
她一副遭人遗弃和背叛的样子。She had the look of someone deserted and betrayed.她又高又瘦，一副精明过人的模样。She was thin and spare, with a sharply intelligent face.她想象着他噔噔噔地走向车子，一副自以为是的模样。She visualized him stomping to his car, the picture of self-...
养蚕是为了得到蚕丝.Silkworm culture is practised in order to get silk.在蚕丝中, 更确切地讲,这些链是反向平行的.In silk, it would be better to describe the chains as being antiparallel.请描述蚕丝与蜘蛛丝的分子结构.Describe the molecular structures of silk and the...