这里的的face为什么要加ing?求教The biggest safety threat (facing) airlines today may not be a terrorist witha gun,but the man with the portable computer in business class今天飞行航线的最大的安全威胁不是带枪的恐怖分子,

来源：学生作业学帮网编辑：学帮网时间：2024/05/07 13:40:34

这里的的face为什么要加ing?求教
The biggest safety threat (facing) airlines today may not be a terrorist with
a gun,but the man with the portable computer in business class
今天飞行航线的最大的安全威胁不是带枪的恐怖分子,而是带着移动电脑的人.
airline is faced with threat 或着 airline face threat,
而这里的The biggest safety threat (facing) airlines today
分词做后置定语是无疑的,但我的意思是还原为 threat which/that face airline好象不对.
应该为airline face threat,或airline is faced with threat.也就是说airline facing threat,airline faced with threat好象才对.

更详细的翻译是：现如今,飞行航线（面临）的最大安全威胁并不是持枪的恐怖分子,而是携带移动电脑的人群
一个句子的主体骨架是：主语+谓语+宾语.这里 The biggest safety threat (facing) airlines today是主语
facing airlines today 是个从句修饰限定threat的, 前面省略了which
首先从句里面是不能出现实义动词原形形式的,这里的face表示面临,要采用非谓语的形式,要么就是faced 要么就是facing
faced表示被动 facing表示主动
这里的航空航线是被面临威胁还是面临威胁呢 ? 答案当然是航线（主动）面临着某种威胁
所以是facing

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