如果存在已经声明的任务，则返回该任务。
If a task exists that is already claimed, that task is returned.
抛上天空的灰云的大量存在已经够糟糕了。
The very existence of the ash cloud thrown into the sky was bad enough.
在你为了帮助做些事情之前，你的存在已经能够减轻一些压力。
Before you do something to help, your presence already can bring some relief.
虚拟化并不是什么新主题；实际上，它的存在已经超过40 年了。
Virtualization is not a new topic; in fact, it's over four decades old.
允许救援人员通过卫星与外界取得联系的技术已经存在。
The technology to allow relief workers to contact the outside world via satellite already exists.
我轻轻地拉了拉他的袖子，但他已经忘记了我的存在。
I pulled gently at his sleeve, but he had forgotten my existence.
就像我之前说到的，铀铅年代测定法已经存在一段时间了。
Like I said before, Uranium-Lead Dating has been with us for a while.
这方面已经取得了一些成功，但仍存在一些争议。
There has been some success with this, but it's still somewhat controversial.
工作与生活的平衡已经不复存在。
如果路已经存在，那也不是你的路。
平静已经存在于你的心中。
如果键已经存在，那么它就会被更新。
如果这些文件已经存在，在您继续这个练习之前请进行备份。
If these files already exist, make backups before you continue with this exercise.
我们假定此目录已经存在了。
但是获得一个警告，因为测试数据库已经存在。
You get a warning, however, because the test database already exists.
此操作失败，因为键已经存在。
如果这个模式已经存在，那么先删除它。
通常这些行已经存在，只是将它们注释掉了。
Usually the lines are already there; they are just commented out.
它们是已经存在的事实。
在思考了一会之后，他说已经存在了。
实际上，这种神药已经存在。
理论上，解决这种错误信息的方法已经存在。
In theory, the solution to this misinformation already exists.
但是数据类型已经存在，不能简单地分离到域中。
But the type of data existed already it was simply not split into domains.
如果键已经存在，则之前的值将被替换。
If the key already exists, then the previous value will be replaced.
如果共享内存已经存在，对象的构造就会被跳过。
The object construction is skipped if the Shared memory already exists.
希尔·沃纳尔先生说，改变课堂的技术已经存在。
The technology to change the classroom exists already, said Mr. Silvernail.
“这里既有职业上的信任，同时也有友谊(已经存在)，”她说。
"There's professional trust, but there's also a friendship (already there)," she said.
这时已经存在大量潜在问题了。
村庄已不复存在，因为已经为水所淹，山谷也被水淹没了。
The village no longer existed because it had been submerged, and all the valley too.
村庄已不复存在，因为已经为水所淹，山谷也被水淹没了。
The village no longer existed because it had been submerged, and all the valley too.
应用推荐