mean Hertz load

例句：

1. 1. The meaning of life is to live it fully.
   生命的意义在于充分地生活。
2. 2. She meant well, but her actions were inappropriate.
   她本意是好的，但她的行为是不恰当的。
3. 3. The book's meaning was lost on me.
   这本书的意思我理解不了。