英语语法分析

The rural areas have wide space, fresh air, graceful environment and rich rural culture, and all of these factors have extreme attractivity to citizens.

农村天地广阔、空气新鲜、环境优美、乡土文化丰富，对城市居民具有极大的吸引力。

DEET did not have the attractiveness to mosquitoes, and did not exhibit inhibition on L-lactic acid dichloromethane solution too, but enhanced the attractivity of human odor to mosquitoes.

DEET对蚊虫无明显的引诱作用，对二氯甲烷l -乳酸溶液引诱剂也无明显的抑制效果，但可显著增强人体气味对蚊虫的引诱性。