Actually the annular virus is mainly through the fecal oral route dissemination.是什么意思？

Actually the annular virus is mainly through the fecal oral route dissemination.

其实轮状病毒主要是通过粪-口途径传播的.

actually

adv. 实际上，事实上，确实，竟；

例句
How big is the abyss between what you think you are and what you actually are?
你对自己的认识和真实的你之间差别到底有多大？

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

annular

adj. 环的，环形的，有环纹的；

例句
The annular space is evacuated and contains multiplayer insulation.
环形空隙被抽空排气,装有多层隔热材料.

virus

n. 病毒，病毒性疾病，毒素，毒害，[计算机科学]计算机病毒；

例句
The virus seems to have attacked his throat...
病毒看来已经侵蚀到他喉部了。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

mainly

adv. 大部分地，主要地，基本上；

例句
Thousands of people, mainly Zulus, assembled in a stadium in Thokoza...
数以千计的人，主要是祖鲁族人，聚集在托考查的一个体育场里。

through

prep. 通过，穿过，经由，透过，凭借；adv. 从头到尾，彻底，自始至终；adj. （电话）接通，通话完毕，有洞的，直达的；

例句
The proposal was instantly voted through with two to one in favour, accompanied by enthusiastic applause...
在热烈的掌声中，提案以2比1的优势很快通过了表决。

fecal

adj. 排泄物的，渣滓的，糟粕的；

例句
One of the ways the parasite spreads is through fecal matter.
寄生虫传播的一种方式是通过排泄物。

oral

adj. 口头的，口述的，口服的，属于或关于嘴的，构成或使用言语的；n. （尤指外语考试中的）口试；

例句
The readings you heard earlier were excerpted from a new oral history of Pearl Harbor.
你之前听到的朗读片段节选自一部新的珍珠港口述史。

route

n. 路，（公共汽车和列车等的）常规路线，航线，渠道，途径；vt. 按某路线发送，给…规定路线[次序，程序]；

例句
Many shops along the route have been boarded up in case of trouble.
沿途很多商店的门窗都用木板封上了，以防不测。

dissemination

n. 散播，宣传，浸染；

例句
Biophysical Society encourages development and dissemination of knowledge in biophysics.
生物物理协会开发和传播生物物理知识.