Closed heater
[建] 封闭加热器
🧩 词语组成解析
closed
[klozd]
adj. 关闭着的，封闭着的;密闭着的，保密的;<美>准备好了的，定了契约的;
v. “close”的过去式和过去分词;
clos=close关闭+ed已...的→关闭了的
🗣️ 情景例句
I'm stressed out. I need a vacation.
我筋疲力尽了，我要休假！
Pat began to feel unhappy about what he had done.
帕特开始对自己所做的事感到悲伤。
Let's try the back door.
让我们到后门去试试。