情绪表达之负面情绪(独立主格和with复合结构)1. Gone was his bright smile. 他灿烂的笑容消失了。Gone were the days when he had worn a broad smile.2. Her disappointment was mingled with frustration. 他既失望又沮丧。Clouds of despair envelopi
三角形 英语1. [数] delta; triangle; squarescalene triangle不等边三角形equilateral triangle等边三角形isosceles triangle等腰三角形right-angled triangle直角三角形相关例句不卑不亢的近义词 1. The hypotenu is the