例句與造句

1. it is well known that estrogen is essential for healthy bone, and that when the production of estrogen is reduced, as occurs normally in postmenopausal women and pathogenically after exposure to radiation or chemotherapeutic drugs, bones become brittle and break easily
   眾所周知，雌激素對于健康的骨骼是必需的，當體內(nèi)雌激素的含量降低的時候，就像正常的絕經(jīng)后婦女那樣，有時候在一些病理狀態(tài)下如接受放療或服用化療藥物也會出現(xiàn)，這時候骨骼就會變脆而且非常容易骨折。
2. It's difficult to find pathogenically in a sentence. 用pathogenically造句挺難的