existed
v.
存在( exist的过去式和过去分词 ); 生存; （尤指在特殊的条件下或在特定的场所）发现; 持续存在;

exist什么意思

exist: [ ig'zist ]

v. 存在

词形变化:
动词过去式:existed 过去分词:existed 现在分词:existing 第三人称单数:exists

例句与用法:
1. The Roman Empire existed for several centuries.
罗马帝国存在了几百年。

2. Man cannot exist without air.
没有空气人就不能生存。

3. I can hardly exist on the wage I'm getting; there is no money for luxuries.
我靠我挣的工资简直难以 口existed，根本无钱享受。

4. That department has ceased to exist.
那部门已不复存在.

英英解释:
动词exist:

1. have an existence, be extant
同义词：be

2. support oneself
同义词：survive, live, subsist