turn 和become 都有成为的意思.
become注重过程,表示逐渐变成.例子：It becomes bigger and bigger.它变得越来越大.
turn表示结果,如：He turned a writer two years later.
turn 和become 都有成为的意思.
become注重过程,表示逐渐变成.例子：It becomes bigger and bigger.它变得越来越大.
turn表示结果,如：He turned a writer two years later.