These pigs had acquired lungworm infestations presumably containing masked influenza virus under natural conditions.
这些猪在自然条件下已受到含有隐蔽流感
毒的肺丝虫寄
。
These pigs had acquired lungworm infestations presumably containing masked influenza virus under natural conditions.
这些猪在自然条件下已受到含有隐蔽流感毒的肺丝虫寄。
As a rule the swine infested with the lungworms carrying the "masked virus" did not develop swine influenza immediately upon infestation with the lungworm.
通常，受到携带了“隐蔽毒”的肺丝虫侵袭的猪，并不因肺丝虫的侵袭立即发流感。
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，
分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
