remain是动词形式,表示保留,形容词形式是remaining表示还需要处理的,名词形式是remains,表示剩余,例如:
1、Most of the house remains intact even after two hundred years.虽然过了两百年,这房子的大部分还保持完好。
2、The temperature remained constant while pressure was a variable in the experiment.做这实验时温度保持不变,但压力可变。
3、The fact remains that we are still two teachers short.实际情况是我们还缺少两名教师。