Rawlplug™
noun🔊/ˈrɔːlplʌɡ/
🔊/ˈrɔːlplʌɡ/
(also wall plug)
(both British English) (North American English wall anchor)
a small plastic tube, closed at one end, that you put into a wall to hold a screw 罗威纤维管（塑料螺钉栓） Word Originearly 20th cent.: from Rawlings (the name of the engineers who introduced it) + plug.