他说，赖氨酸残留和突变率很典型，很多猪流感似乎没有联系，因为每年没有足够猪被检测。

The lysine residues and mutation rates were typical, he said, and many swine flus seem unrelated because not enough pigs are tested each year.

youdao

他说，赖氨酸残留和突变率很典型，很多猪流感似乎没有联系，因为每年没有足够猪被检测。

The lysine residues and mutation rates were typical, he said, and many swine flus seem unrelated because not enough pigs are tested each year.

youdao