■Vocabulary cosy:enjoying or affording comforting warmth and shelter especially in a small space;comfortable pop:come,go,move (突然地，迅速地)行动，来，去 He popped in to say hello. ■他匆匆进来说声你好。 ◼ Vocabulary ◼ cosy: enjoying or affording comforting warmth and shelter especially in a small space; comfortable ◼ pop: come, go, move ◼ (突然地,迅速地)行动,来,去 ◼ He popped in to say hello. ◼ 他匆匆进来说声你好