to remain as

• 继续是； 一直是 ...

to remain as的用法和样例：

例句

1. Oil and gas will continue to be our chief source of fuel.
   石油和天然气将继续是燃料的主要来源。
2. Pesticide inerts could be destined to remain a public mystery.
   杀虫剂里的非有效性物质，可能注定继续是公开的秘密了。
3. Mother used to spin her own yarn.
   母亲过去一直是自己纺纱的。
4. Mother's illness was always a great worry to me.
   母亲的病一直是我非常担心的事。