翻译一下这个绕口令

她在海边卖海贝, 我肯定她卖的贝壳是海贝
全文是She sells seashore on the seashore, the shells she sells are seashells I am sure. If she sells shells at the seashore, the shells she sells are seashells for sure.后两句的翻译是:如果她在海边卖贝壳,那她卖的贝壳就一定是海贝

她在海滨卖贝壳。我敢肯定她卖的是贝壳。