Blu-ray is a kind of disc, like a DVD, but it can hold a much clearer picture — high-definition film and some games. You need a Blu-ray player to watch it.

Blu-ray Blu-ray is a kind of disc是一種光碟, like a DVD就像DVD一樣, but it can hold a much clearer picture但它能存放清晰很多的畫面 — high-definition film and some games像是高畫質電影和一些遊戲。You need a Blu-ray player to watch it你需要一台Blu-ray播放器才能看。

The name comes from the blue laser inside the machine: that blue light has a shorter wavelength than the red laser in a DVD player, so it can pack more information onto the disc. Though actually, the spelling drops the e in blue — Blu-ray, not Blue-ray — because it began as a brand name.

The name這個名字 comes from the blue laser inside the machine來自機器裡面的藍色雷射: that blue light那道藍光 than the red laser in a DVD player比DVD播放器裡的紅色雷射 has a shorter wavelength波長更短, so it can pack more information onto the disc所以能在光碟上塞進更多資訊。Though actually不過其實, the spelling drops the e in blue拼法把blue的e拿掉了 — Blu-ray, not Blue-ray是Blu-ray，不是Blue-ray — because it began as a brand name因為它最早是一個品牌名稱。

People still say it, but streaming has made the discs less common than they were ten or fifteen years ago. You may also hear Blu-ray used for the player itself, a little loosely.

People still say it人們還是會這樣說, but streaming has made the discs不過串流讓這種光碟 than they were ten or fifteen years ago比十年、十五年前 less common變得更不常見。You may also hear Blu-ray used for the player itself你也可能聽到Blu-ray被用來指播放器本身, a little loosely用法有點鬆散。