英语语法分析

In Da Nang, helmet wearing increased from 27 to 99%.

在岘港市，头盔佩戴率从原来的27%上升到99%。

Two surfboards, 30 years apart, both left in da nang.

两块冲浪板，时隔30年，全都留在了岘港。

I caught a flight from Da Nang on a Chinook and was there in no time.

我搭乘了自岘港发出的奇努克（一种重型直升机）航班，并很快到了那儿。