So he can hear the fridge humming. The word hum — h – u – m – describes a low, continuous sound.

所以她会听到冰箱的嗡嗡声。单词 hum：h - u - m 表示低沉、连续的声音。

You know one of the definitions of humility comes back from the origin of the term, which is the Latin humus, H-U-M-U-S.

谦逊的定义之一来自于这个词的起源，它是拉丁语 H-U-M-U-S。