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- Blue and green are the chroma key colors most frequently used. 使用得最多最频繁的色键颜色是蓝色和绿色。
- Virtual studio is the conjunct product of traditional studio chroma key technique and computer image processing technique. 虚拟演播室是传统演播室的色键技术与计算机图形图像处理技术结合的产物。
- There are many names for keying and while some are more accurate than others most people today jump between, chroma keying, keying, and Blue or green screen compositing all are fairly much exactly the same thing. 键控有很多名字和直到今天多数人用越来越精确的词来连接形容，像，色度键控，键控，以及蓝或绿幕合成方法，全部算是接近正确的，其实是相同的事情。
- The term “chroma keying” refers to a process by which a particular color (usually blue or green) in one image is replaced by the content in a second image when the two are composited together. “色度键控”一词是指两幅图像合成时，其中一幅图像中的特定颜色（往往是蓝色或者绿色）为另一幅图像中的内容所取代的现象。
- You may leave your key at the reception desk. 你可以把钥匙留在服务台。
- He put the key in the lock and turned it. 他把钥匙插入锁里转动。
- I have mislaid my key to the door. 我不知道把门钥匙放到哪里了。
- He's locked in and nobody knows where the key is. 他被锁在房间里，没有人知道钥匙在什么地方。
- Reading is the key to the treasure house of ideas. 读书是打开知识宝库的钥匙。
- I looked everywhere for my lost key. 我到处寻找我丢失的钥匙。
- She inserted the key into the lock. 她把钥匙插入锁中。
- The key turned halfway and then jammed. 钥匙转了一半就卡住了。
- The key to the whole affair was his jealousy. 整个事情的症结是因为他忌妒。
- Do you know the key to the problem? 你知道这道题的答案吗？
- Your scatty son has forgotten his key again. 你那儿子丢三落四又把钥匙给忘了。
- I dropped my key somewhere about here. 我把钥匙掉在这附近某个地方了。
- I dropped the key somewhere about here. 我把钥匙掉在这儿附近了。
- He dived into his pocket for his key. 他把手伸进衣袋里找钥匙。
- He gave me a duplicate key of his house. 他给了我另配了一套他房子的钥匙。
- As he picked up the envelope, a key dropped out. 他拣起信封时，一把钥匙掉了出来。
