他们观看了微型翼的安装情况.They observed how the tiny wings were fitted to the body.后掠翼的变型是三角翼.A variant of the swept - back wing is the delta wing.这真是历史的天使降临了! 我们感到她在我们房间里振翅鼓翼的声音.This was the Angel of History! We felt its wings flut...

“翼的”的英语可以翻译为：alar ...