sealer
US /ˈsiːlər/
UK /ˈsiːlə/
名词
密封剂, 封口机
a person or thing that seals something
示例:
•
The machine acts as a vacuum sealer for food.
这台机器是食品真空封口机。
•
He used a paint sealer to protect the outdoor furniture.
他用油漆密封剂来保护户外家具。