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
We were married almost fifty years.
我们结婚将近五十年。
He always plays hockey.
他通常去打曲棍球。
No problem! Tell me, do I have to take them before or after meals?
“那不难！告诉我，我是在饭前还是饭后吃呢？”