economy的形容词副词？long最高级单词是什么？

long更高级单词是:lɒŋɡɪst/adj.最长的双语例句:It has the world'long更高级单词是:long enhancement 动词过往式:过往分词:1.A system of physical conditioning designed to enhance swimming,

描述词是economic，副词是economically，例如：

Services could be operated more efficiently and economically.能够更有效、更经济地给予办事。

long更高级单词是:

longest

美 /'lɔŋɡɪst/

英 /'lɒŋɡɪst/

adj.

最长的

双语例句:

It has the world's longest high-speed rail network and motorway network. And, services are rather efficiently run.

它拥有世界上最长的高速铁路和高速公路收集。并且，办事运营相当有效。

The longest government shutdown in US history has ended, but the struggle is far from over.

美国汗青上最长的政府停摆已经完毕，但那场争斗尚未停行。

long更高级单词是: longest

Waiting any longer could be even more dangerous .再等就会愈加危急。

After a long time they get mean .久而久之，他们的心眼儿就都变坏了。

After a long exile, he was home .持久在外游历之后，他末于回家来了。

Lydia let out her breath in a long sigh .利季娅心中一块石头落了地。

If you ask me , he has not got long to live .恕我婉言，他活不长了。

enhance

vt. 进取, 加强, 增加

词型变革：

描述词:enhancive 

名词:enhancement 

动词过往式:enhanced 

过往分词:enhanced 

如今分词:enhancing 

第三人称单数:enhances 

例句：

1.

A system of physical conditioning designed to enhance circulatory and respiratory efficiency that involves vigorous, sustained exercise, such as jogging, swimming, or cycling, thereby improving the body's utilization of oxygen.

有氧健身法旨在加强轮回和唤吸成效的心理调理系统，包罗有力的、耐久的熬炼，例如慢跑、泅水或骑自行车，从而进取肌体对氧气的操纵

enhance 动词 意思是:增加，进取，加强，:增加...的价值（或影响力）

enhance 的动名词 enhancing 意思是 加强，优化 短语efficiently enhancing 进取效率