您要查找的是不是：
- 信关PLMNgateway PLMN
- 半信关half-gateway
- 信关gateway
- 信关MSCgateway MSC
- 信关监视[计] gateway monitoring
- 信关处理机[计] gateway processor
- 被关captivity
- 应用层信关[计] application level gateway
- (翻译)信、达、雅"faithfulness, expressiveness and taste"
- 安全开关safety switch
- 这封信以正式文体写成。The letter is written in a formal style.
- 这不关我的事it is no concern of mine
- 背信perfidy
- 请关窗。Shut the window, please.
- ＂她没有给我回信。事实是，她甚至没有看过我的信。＂She didn't answer my letter. The fact is she didn't even read it.
- 拜托您捎个信儿给他。Would you be kind enough to take a message to him?
- 攸关concern
- 这封信我忘了贴邮票。I forgot to stamp the letter.
- 保护开关protection switch
- 她在信末又附了一笔。She added a postscript to her letter.
