late 14c., from Old French doctrine (12c.) "teaching, doctrine," and directly from Latin doctrina "teaching, body of teachings, learning," from doctor "teacher" (see doctor (n.)).
实用例句
1. The doctrine of karma is inseparably linked with reincarnation.
业的教义与轮回转世说紧密相关。来自柯林斯例句
2. It's the end of the doctrine in all but name.
这实际上已是该学说的终结，只是未被道明罢了。来自柯林斯例句
3. The doctrine is unchangeable.
这一信条不容改变。来自柯林斯例句
4. a policy that is popular because of its consonance with traditional party doctrine
