Closed impeller
[建] 隐闭叶轮
🧩 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
n. 推进者, 叶轮\\n[化] 叶轮
🗣️ 情景例句
Your duties include checking the post and distributing it.
你的职责是检查和发送邮件。
My brother used to speak French to me all the time.
我的兄弟过去总是对我说法语。
This is only the first half.
这才是上半场呢。