ตัวอย่าง:
The ship had a system of pulleys to help lift the cargo from the dock and lower it into the ship's hold. 
ทะเบียนรูปถ่าย:
CC: Attribution, การใช้ในเชิงพาณิชย์
Regionalism:
Neutral
Regional variant:
Neutral
Full Expression:
The “ull” Sound (/ʊ/): pulley
a mechanism with a wheel that is used to pull heavy objects with ropes