除非你明白水循环是如何进行的翻译成中文
除非你明白水循环是如何进行的
unless you understand/know how water cycling is being done.
unless you know/ understand how the water circulates/ what the water circulation is.
除非你明白水循环是如何进行的
unless you understand/know how water cycling is being done.
unless you know/ understand how the water circulates/ what the water circulation is.