表示条件 动词的-ed形式作状语表示条件.相当于一个条件状语从句. Heated, water changes into steam. 加热.水就能变成蒸汽.(= If water is heated...) Given more time, he would be able to do better. 假如多给一些时间.他会干得更出色.(= If he was given more time ...) Compared with other professors, she was an excellent speaker. 与其他教授相比.她是一个优秀的演说家. 【查看更多】
