1.
A safe must have a key.
一个保险箱一定有一把钥匙。
2.
The machine can reproduce a key in two minutes.
这机器能在两分钟内复制一把钥匙。
3.
a duplicate key
两把完全一样的钥匙
4.
Two keys fitting the same lock are duplicates.
两把钥匙能开同一具锁者乃是相同的钥匙。
5.
Because secret-key systems use only one key, care must be taken that the key is communicated only to authorised parties.
由于秘钥系统只用一把钥匙，故必须谨慎，把钥匙只传给合法方。
6.
Please take good care of this and do not keep it with the address of the House.
请保管好你的钥匙，不要把钥匙和家庭地址放在一起。
7.
" Don't you need your key?" " Got a passkey. I'll be seeing you."
“难道你不要钥匙了吗？”“我有一把万能钥匙呢。回头见。”
8.
As she picked up the envelope, a key dropped out.
她拾起信封时，一把钥匙掉了出来。
9.
the hole where a key is inserted.
一把锁上供钥匙插入的孔。
10.
The steel key will give access to the boiler room.
要去锅炉室必须要有一把钢制钥匙。
11.
I need to find a Brass Key or Crowbar
我需要一把黄 钥匙或铁撬
12.
I need to find an Brass Key or Crowbar
我需要找到一把黄 钥匙或是铁撬
13.
I need to find an Steel Key or Crowbar
我需要找到一把钢制钥匙或是铁撬
14.
I need to find an Iron Key or Crowbar
我需要找到一把铁制钥匙或是铁撬
15.
I need to find a Steel Key or Crowbar
我需要一把钢制钥匙或铁撬
16.
May I borrow a duplicate key for Room 201?
我可以借一把201号房的复制钥匙吗？
17.
Self-study is the golden key to the treasure-trove of knowledge.
自学是打开知识宝库的一把金钥匙。
18.
I had a good hunt for that key.
那把钥匙我找了好一阵子.