英语语法分析

Refusals for Salmonella are most prevalent in shrimp imports.

进口虾被拒绝入境的最普遍原因就是沙门氏菌。

I kept sending my work to magazines and publishing houses, but I got mostly refusals.

我不断地把自己的作品发给杂志社和出版社，但大多数时候都吃了闭门羹。

Since refusals of drug residues fluctuate widely, a consistent and thorough inspection program is necessary.

因此必须通过一致的和彻底的检查程序来控制越来越广泛的因为药物残留导致被拒绝入境的事情的发生。