英语语法分析

These are the heroines in the field of spaceflight.

就这是航天领域的巾帼英雄。

Obama's book celebrates 13 American heroes and heroines.

奥巴马在书中赞美了13位美国英雄。

Like the best American heroines, Mrs Astor had relatively modest beginnings.

像美国所有最伟大的女英雄们一样，亚士多夫人出身相对卑微。