usb
usb — noun
1. a popular method for connecting electronic items like phones, laptops, and print
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.
collocation: USB port — the physical slot on a device
Hoa asked if the computer shop sold a USB cable for her old printer.
collocation: USB cable — the wire used for connecting devices
Most new printers connect to a computer through a simple USB cable.
Rania copied her photos onto a USB flash drive before leaving for the trip.
The USB slot on this camera is too small for the standard charging cable.
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
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.
Samir asked what the letters USB on his phone charger stand for.
pattern: what + letters + stand for — asking about an abbreviation
Hoa learned in computer class that USB is short for Universal Serial Bus.
Vikram plugged his USB drive into the library computer without knowing that USB stands for 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'.