with foal短语¹⁴⁴⁹⁷²⁺² 基本例句 怀孕 With the method of rectal palpation, we have studied the germinal vesicles of mares with foal, mares with mules and mare abortion at early Stage1—2nd month for nearly ten years. 我们对马怀马、怀骡和母马早期1—2个月胚泡，通过直肠检查法进行了近十年的研究。 cnki