usb
usb — 名詞
1. a popular method for connecting electronic items like phones, laptops, and print
USB
通用序列匯流排；連接裝置的標準介面
a popular method for connecting electronic items like phones, laptops, and printers so they can exchange data or get power; also, the small rectangular slot or plug that enables these links.
Samir plugged the keyboard into the USB port on the side of his laptop.
Samir 把鍵盤插進筆電側邊的 USB 連接埠。
collocation: USB port — the physical slot on a device
Hoa asked if the computer shop sold a USB cable for her old printer.
Hoa 問電腦行有沒有賣給她的舊印表機用的 USB 連接線。
collocation: USB cable — the wire used for connecting devices
Most new printers connect to a computer through a simple USB cable.
大部分的新型印表機都透過 USB 連接線連接到電腦。
Rania copied her photos onto a USB flash drive before leaving for the trip.
Rania 在出發前把照片複製到 USB 隨身碟裡。
The USB slot on this camera is too small for the standard charging cable.
這台相機的 USB 插槽太小，插不進標準的充電線。
用法筆記
Often used as a modifier before another noun, as in 'USB port', 'USB cable', or 'USB flash drive'. The word is pronounced as three separate letters: U-S-B.
2. the letters that stand for 'Universal Serial Bus', which is the full technical n
通用序列匯流
USB 的完整技術名稱
the letters that stand for 'Universal Serial Bus', which is the full technical name of the connection system used by most computers and electronic devices.
The teacher explained that USB stands for Universal Serial Bus.
老師解釋說 USB 是「通用序列匯流」的英文縮寫。
Samir asked what the letters USB on his phone charger stand for.
Samir 問他手機充電器上的 USB 這幾個字母代表什麼。
pattern: what + letters + stand for — asking about an abbreviation
Hoa learned in computer class that USB is short for Universal Serial Bus.
Hoa 在電腦課上學到 USB 是 Universal Serial Bus 的簡稱。
Vikram plugged his USB drive into the library computer without knowing that USB stands for Universal Serial Bus.
Vikram 把 USB 隨身碟插進圖書館的電腦，完全不知道 USB 代表的是 Universal Serial Bus。
用法筆記
This sense is used when explaining or asking what the abbreviation stands for. In everyday conversation, people say 'USB' without referring to the full name 'Universal Serial Bus'.