名词
中文翻译：桶式遮光器
同义词：
['barrel lock', 'barrel door例句：1. The old barn had a barrel shutter on the front door.（那间老谷仓的前门上有一个桶式遮光器。）2. She opened the barrel shutter to let in some fresh air.（她打开桶式遮光器，让新鲜空气进来。）3. The farmer used a barrel shutter to keep his livestock safe from predators.（农民使用桶式遮光器来保护他的牲畜免受捕食者的伤害。）']
例句：
-
1. The old barn had a barrel shutter on the front door.
那间老谷仓的前门上有一个桶式遮光器。
-
2. She opened the barrel shutter to let in some fresh air.
她打开桶式遮光器，让新鲜空气进来。
-
3. The farmer used a barrel shutter to keep his livestock safe from predators.
农民使用桶式遮光器来保护他的牲畜免受捕食者的伤害。