Weatherization
房屋节能改造
🗣️ 情景例句
and we're trying to resolve that problem.
试图解决这类问题。
All are brave when the enemy flies.
敌人逃跑时，个个都勇敢。
I was very tired when I arrived home. I'd been working hard all day.
我到家时非常累。我一整天都在玩命地干！