in winter泛指在冬天,in the winter特指在某个冬天上下文应该有所指
in the winter是特指的某个冬天比如:In the winter,I came to Haerbin for the first time. 这个冬天, 我第一次来到了哈尔滨
而 in winter是泛指冬天比如:It always snows in Haerbin in winter. 哈尔滨的冬天总会下雪
in winter泛指在冬天,in the winter特指在某个冬天上下文应该有所指
in the winter是特指的某个冬天比如:In the winter,I came to Haerbin for the first time. 这个冬天, 我第一次来到了哈尔滨
而 in winter是泛指冬天比如:It always snows in Haerbin in winter. 哈尔滨的冬天总会下雪