It was a small and peaceful demonstration so I don’t know why there was such a big police presence. It was like using a sledgehammer to crack a nut.这只是个小型的和平示威，真不明白为什么有那么多警察，简直是小题大做。She picked up the sledgehammer and beg...
He invented a new process of dyeing.他发明了印染的新工艺.And she started dyeing her stockings and blouses there too.同时在宿舍里边,她开始用颜料染着袜子和上衣.Creases may result in streaks in subsequent dyeing steps.折痕可能使其在以后的染色工序产生色条....