关键字搜索的英文：
key search

key是什么意思：
n. 钥匙；线索；按键；调；关键
adj. 最重要的；关键的
v. 为…调音；用键盘输入

We have a key for the door of the house and a key for starting the car.
我们有房间门的钥匙和发动汽车的钥匙。

I left the key in the lock.
我把钥匙留在锁上，忘了取下来。

He fished in the bag for the keys.
他在袋子里摸找钥匙。

This is a key laboratory of atmosphere sounding.
这是个大气探测重点实验室。

Idleness is the key of beggary
懒汉出乞丐

search是什么意思：
n. 搜索；搜索；检索；调查；找寻
v. 搜查； 调查；细察；细读；探测

It was a fruitless search.
搜寻工作毫无结果。

The search for peace also means the search for justice.
寻求和平也意味着寻求正义。

The requested search operation is only supported for base searches.
请求的搜索操作只支持基本查找。

The search team made a search for the missing children.
搜索队搜索失踪的小孩。

Searching for a needle in a haystack
大海捞针